diff --git a/mypy.ini b/mypy.ini
index 19b239414608c..066436033c4a1 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -42,6 +42,9 @@ ignore_missing_imports = True
 [mypy-google.oauth2,google.oauth2.*]
 ignore_missing_imports = True
 
+[mypy-google_auth_oauthlib,google_auth_oauthlib.*]
+ignore_missing_imports = True
+
 [mypy-google.protobuf,google.protobuf.*]
 ignore_missing_imports = True
 
diff --git a/packages/bigquery-magics/bigquery_magics/_versions_helpers.py b/packages/bigquery-magics/bigquery_magics/_versions_helpers.py
index 192011a5b6339..4c7d5337e928f 100644
--- a/packages/bigquery-magics/bigquery_magics/_versions_helpers.py
+++ b/packages/bigquery-magics/bigquery_magics/_versions_helpers.py
@@ -16,8 +16,8 @@
 
 from typing import Any
 
-from google.cloud.bigquery import exceptions
 import packaging.version
+from google.cloud.bigquery import exceptions
 
 _MIN_BQ_STORAGE_VERSION = packaging.version.Version("2.0.0")
 
diff --git a/packages/bigquery-magics/bigquery_magics/bigquery.py b/packages/bigquery-magics/bigquery_magics/bigquery.py
index d6fb565e4ea23..cd8dbb3eb3e5f 100644
--- a/packages/bigquery-magics/bigquery_magics/bigquery.py
+++ b/packages/bigquery-magics/bigquery_magics/bigquery.py
@@ -106,33 +106,33 @@
 from __future__ import print_function
 
 import ast
-from concurrent import futures
 import copy
 import json
 import re
 import sys
 import threading
 import time
-from typing import Any, List, Tuple
 import warnings
+from concurrent import futures
+from typing import Any, List, Tuple
 
 import IPython  # type: ignore
-from IPython.core import magic_arguments  # type: ignore
-from IPython.core.getipython import get_ipython
+import pandas
 from google.api_core.exceptions import NotFound
 from google.cloud import bigquery
 from google.cloud.bigquery import exceptions
 from google.cloud.bigquery.dataset import DatasetReference
 from google.cloud.bigquery.dbapi import _helpers
 from google.cloud.bigquery.job import QueryJobConfig
-import pandas
+from IPython.core import magic_arguments  # type: ignore
+from IPython.core.getipython import get_ipython
 
-from bigquery_magics import core
-from bigquery_magics import line_arg_parser as lap
 import bigquery_magics._versions_helpers
 import bigquery_magics.config
 import bigquery_magics.graph_server as graph_server
 import bigquery_magics.pyformat
+from bigquery_magics import core
+from bigquery_magics import line_arg_parser as lap
 
 try:
     from google.cloud import bigquery_storage  # type: ignore
@@ -471,8 +471,9 @@ def _parse_magic_args(line: str) -> Tuple[List[Any], Any]:
 
     except lap.ParseError as exc:
         raise ValueError(
-            "Unrecognized input, are option values correct? "
-            "Error details: {}".format(exc.args[0])
+            "Unrecognized input, are option values correct? Error details: {}".format(
+                exc.args[0]
+            )
         ) from exc
 
     params = []
diff --git a/packages/bigquery-magics/bigquery_magics/config.py b/packages/bigquery-magics/bigquery_magics/config.py
index 2b5719ca31633..4596ddf61ccae 100644
--- a/packages/bigquery-magics/bigquery_magics/config.py
+++ b/packages/bigquery-magics/bigquery_magics/config.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import warnings
 from dataclasses import dataclass
 from typing import Optional
-import warnings
 
 import google.api_core.client_options as client_options
 import google.cloud.bigquery as bigquery
diff --git a/packages/bigquery-magics/bigquery_magics/core.py b/packages/bigquery-magics/bigquery_magics/core.py
index 7fc52207ebafa..e9fab22078e9a 100644
--- a/packages/bigquery-magics/bigquery_magics/core.py
+++ b/packages/bigquery-magics/bigquery_magics/core.py
@@ -18,9 +18,9 @@
 from google.api_core import client_info
 from google.cloud import bigquery
 
-from bigquery_magics import environment
 import bigquery_magics.config
 import bigquery_magics.version
+from bigquery_magics import environment
 
 context = bigquery_magics.config.context
 
diff --git a/packages/bigquery-magics/bigquery_magics/line_arg_parser/lexer.py b/packages/bigquery-magics/bigquery_magics/line_arg_parser/lexer.py
index 6e8b4cc9637bc..180dd8b9528f3 100644
--- a/packages/bigquery-magics/bigquery_magics/line_arg_parser/lexer.py
+++ b/packages/bigquery-magics/bigquery_magics/line_arg_parser/lexer.py
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from collections import OrderedDict, namedtuple
 import enum
 import itertools
 import re
+from collections import OrderedDict, namedtuple
 
 Token = namedtuple("Token", ("type_", "lexeme", "pos"))
 StateTransition = namedtuple("StateTransition", ("new_state", "total_offset"))
diff --git a/packages/bigquery-magics/noxfile.py b/packages/bigquery-magics/noxfile.py
index 7a273ac284197..1b6f820f1c033 100644
--- a/packages/bigquery-magics/noxfile.py
+++ b/packages/bigquery-magics/noxfile.py
@@ -151,10 +151,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install("setuptools", FLAKE8_VERSION, BLACK_VERSION)
+    session.install("setuptools", FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "bigquery_magics", "tests")
diff --git a/packages/bigquery-magics/tests/unit/bigquery/test_bigquery.py b/packages/bigquery-magics/tests/unit/bigquery/test_bigquery.py
index 55dd8de50119c..2260406faa610 100644
--- a/packages/bigquery-magics/tests/unit/bigquery/test_bigquery.py
+++ b/packages/bigquery-magics/tests/unit/bigquery/test_bigquery.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from concurrent import futures
 import contextlib
 import copy
 import json
@@ -21,22 +20,23 @@
 import re
 import sys
 import tempfile
-from unittest import mock
 import warnings
+from concurrent import futures
+from unittest import mock
 
+import google.auth.credentials
+import google.cloud.bigquery._http
+import google.cloud.bigquery.exceptions
 import IPython
-from IPython.testing import globalipapp
 import IPython.utils.io as io
+import pandas
+import pytest
 from google.api_core import exceptions
-import google.auth.credentials
 from google.cloud import bigquery
 from google.cloud.bigquery import exceptions as bq_exceptions
 from google.cloud.bigquery import job, table
-import google.cloud.bigquery._http
-import google.cloud.bigquery.exceptions
 from google.cloud.bigquery.retry import DEFAULT_TIMEOUT
-import pandas
-import pytest
+from IPython.testing import globalipapp
 
 import bigquery_magics
 import bigquery_magics.bigquery as magics
@@ -366,8 +366,9 @@ def test__make_bqstorage_client_true_obsolete_dependency():
             "google-cloud-bigquery-storage is outdated"
         ),
     )
-    with patcher, pytest.raises(
-        google.cloud.bigquery.exceptions.LegacyBigQueryStorageError
+    with (
+        patcher,
+        pytest.raises(google.cloud.bigquery.exceptions.LegacyBigQueryStorageError),
     ):
         magics._make_bqstorage_client(test_client, {})
 
@@ -509,9 +510,11 @@ def test_bigquery_graph_spanner_graph_notebook_missing(monkeypatch):
     )
     query_job_mock.to_dataframe.return_value = result
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         return_value = ip.run_cell_magic("bigquery", "--graph", sql)
 
@@ -564,9 +567,11 @@ def test_bigquery_graph_int_result(monkeypatch):
     )
     query_job_mock.to_dataframe.return_value = result
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         return_value = ip.run_cell_magic("bigquery", "--graph", sql)
 
@@ -619,9 +624,11 @@ def test_bigquery_graph_str_result(monkeypatch):
     )
     query_job_mock.to_dataframe.return_value = result
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         return_value = ip.run_cell_magic("bigquery", "--graph", sql)
 
@@ -692,9 +699,11 @@ def test_bigquery_graph_json_json_result(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = TABLE_ID
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         try:
             return_value = ip.run_cell_magic("bigquery", "--graph", sql)
@@ -761,9 +770,11 @@ def test_bigquery_graph_json_result(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = TABLE_ID
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
 
         return_value = ip.run_cell_magic("bigquery", "--graph", sql)
@@ -871,9 +882,11 @@ def test_bigquery_graph_size_exceeds_max(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = TABLE_ID
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
 
         ip.run_cell_magic("bigquery", "--graph", sql)
@@ -932,9 +945,11 @@ def test_bigquery_graph_size_exceeds_query_result_max(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = TABLE_ID
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
 
         ip.run_cell_magic("bigquery", "--graph", sql)
@@ -994,9 +1009,11 @@ def test_bigquery_graph_with_args_serialization(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = TABLE_ID
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
 
         endpoint = "https://example.com"
@@ -1076,9 +1093,11 @@ def test_bigquery_graph_colab(monkeypatch):
     query_job_mock.configuration.destination.dataset_id = DATASET_ID
     query_job_mock.configuration.destination.table_id = "test_destination_table"
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         try:
             return_value = ip.run_cell_magic("bigquery", "--graph", sql)
@@ -1205,9 +1224,11 @@ def test_bigquery_graph_missing_spanner_deps(monkeypatch):
     )
     query_job_mock.to_dataframe.return_value = result
 
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), display_patch as display_mock:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        display_patch as display_mock,
+    ):
         run_query_mock.return_value = query_job_mock
         with pytest.raises(ImportError):
             try:
@@ -1485,9 +1506,13 @@ def test_bigquery_magic_default_connection_user_agent_vscode_extension(
 
         home_dir_patch = mock.patch("pathlib.Path.home", return_value=user_home)
 
-        with conn_patch as conn, (
-            run_query_patch
-        ), default_patch, env_patch, home_dir_patch:
+        with (
+            conn_patch as conn,
+            run_query_patch,
+            default_patch,
+            env_patch,
+            home_dir_patch,
+        ):
             ip.run_cell_magic("bigquery", "", "SELECT 17 as num")
 
     expected_user_agents = [
@@ -1564,9 +1589,13 @@ def custom_import_module_side_effect(name, package=None):
         "importlib.import_module", side_effect=custom_import_module_side_effect
     )
 
-    with conn_patch as conn, (
-        run_query_patch
-    ), default_patch, env_patch, extension_import_patch:
+    with (
+        conn_patch as conn,
+        run_query_patch,
+        default_patch,
+        env_patch,
+        extension_import_patch,
+    ):
         ip.run_cell_magic("bigquery", "", "SELECT 17 as num")
 
     client_info_arg = conn.call_args[1].get("client_info")
@@ -1695,9 +1724,11 @@ def test_bigquery_magic_with_bqstorage_from_argument(monkeypatch):
         google.cloud.bigquery.job.QueryJob, instance=True
     )
     query_job_mock.to_dataframe.return_value = result
-    with run_query_patch as run_query_mock, (
-        bqstorage_client_patch
-    ), warnings.catch_warnings(record=True) as warned:
+    with (
+        run_query_patch as run_query_mock,
+        bqstorage_client_patch,
+        warnings.catch_warnings(record=True) as warned,
+    ):
         run_query_mock.return_value = query_job_mock
 
         return_value = ip.run_cell_magic("bigquery", "--use_bqstorage_api", sql)
@@ -1901,11 +1932,12 @@ def test_bigquery_magic_w_max_results_query_job_results_fails():
     )
     query_job_mock.result.side_effect = [[], OSError]
 
-    with pytest.raises(
-        OSError
-    ), client_query_patch as client_query_mock, (
-        default_patch
-    ), close_transports_patch as close_transports:
+    with (
+        pytest.raises(OSError),
+        client_query_patch as client_query_mock,
+        default_patch,
+        close_transports_patch as close_transports,
+    ):
         client_query_mock.return_value = query_job_mock
         ip.run_cell_magic("bigquery", "--max_results=5", sql)
 
@@ -2911,9 +2943,10 @@ def test_bigquery_magic_nonexisting_query_variable():
     ip.user_ns.pop("custom_query", None)  # Make sure the variable does NOT exist.
     cell_body = "$custom_query"  # Referring to a non-existing variable name.
 
-    with pytest.raises(
-        NameError, match=r".*custom_query does not exist.*"
-    ), run_query_patch as run_query_mock:
+    with (
+        pytest.raises(NameError, match=r".*custom_query does not exist.*"),
+        run_query_patch as run_query_mock,
+    ):
         ip.run_cell_magic("bigquery", "", cell_body)
 
     run_query_mock.assert_not_called()
@@ -2928,9 +2961,10 @@ def test_bigquery_magic_empty_query_variable_name():
     run_query_patch = mock.patch("bigquery_magics.bigquery._run_query", autospec=True)
     cell_body = "$"  # Not referring to any variable (name omitted).
 
-    with pytest.raises(
-        NameError, match=r"(?i).*missing query variable name.*"
-    ), run_query_patch as run_query_mock:
+    with (
+        pytest.raises(NameError, match=r"(?i).*missing query variable name.*"),
+        run_query_patch as run_query_mock,
+    ):
         ip.run_cell_magic("bigquery", "", cell_body)
 
     run_query_mock.assert_not_called()
@@ -2949,9 +2983,10 @@ def test_bigquery_magic_query_variable_non_string(ipython_ns_cleanup):
     ip.user_ns["custom_query"] = object()
     cell_body = "$custom_query"  # Referring to a non-string variable.
 
-    with pytest.raises(
-        TypeError, match=r".*must be a string or a bytes-like.*"
-    ), run_query_patch as run_query_mock:
+    with (
+        pytest.raises(TypeError, match=r".*must be a string or a bytes-like.*"),
+        run_query_patch as run_query_mock,
+    ):
         ip.run_cell_magic("bigquery", "", cell_body)
 
     run_query_mock.assert_not_called()
@@ -3076,9 +3111,11 @@ def test_bigquery_magic_create_dataset_fails():
         autospec=True,
     )
 
-    with pytest.raises(
-        OSError
-    ), create_dataset_if_necessary_patch, close_transports_patch as close_transports:
+    with (
+        pytest.raises(OSError),
+        create_dataset_if_necessary_patch,
+        close_transports_patch as close_transports,
+    ):
         ip.run_cell_magic(
             "bigquery",
             "--destination_table dataset_id.table_id",
diff --git a/packages/bigquery-magics/tests/unit/bigquery/test_deprecation.py b/packages/bigquery-magics/tests/unit/bigquery/test_deprecation.py
index deca89943ebcc..a4b59bf0eb871 100644
--- a/packages/bigquery-magics/tests/unit/bigquery/test_deprecation.py
+++ b/packages/bigquery-magics/tests/unit/bigquery/test_deprecation.py
@@ -14,8 +14,8 @@
 
 import pytest
 
-from bigquery_magics import bigquery as magics
 import bigquery_magics.config
+from bigquery_magics import bigquery as magics
 
 
 @pytest.fixture(autouse=True)
diff --git a/packages/bigquery-magics/tests/unit/bigquery/test_pyformat.py b/packages/bigquery-magics/tests/unit/bigquery/test_pyformat.py
index 3b9e8dc9f5dea..97be2ca0afed3 100644
--- a/packages/bigquery-magics/tests/unit/bigquery/test_pyformat.py
+++ b/packages/bigquery-magics/tests/unit/bigquery/test_pyformat.py
@@ -17,8 +17,8 @@
 from typing import List
 from unittest import mock
 
-from IPython.testing import globalipapp
 import pytest
+from IPython.testing import globalipapp
 
 
 @pytest.mark.parametrize(
diff --git a/packages/db-dtypes/db_dtypes/__init__.py b/packages/db-dtypes/db_dtypes/__init__.py
index 51bb934fc9edf..3943c2a0e2857 100644
--- a/packages/db-dtypes/db_dtypes/__init__.py
+++ b/packages/db-dtypes/db_dtypes/__init__.py
@@ -17,20 +17,19 @@
 
 import datetime
 import re
-from typing import Optional, Union
 import warnings
+from typing import Optional, Union
 
 import numpy
 import pandas
 import pandas.api.extensions
-from pandas.errors import OutOfBoundsDatetime
 import pyarrow
 import pyarrow.compute
+from pandas.errors import OutOfBoundsDatetime
 
 from db_dtypes import core
 from db_dtypes.json import JSONArray, JSONArrowType, JSONDtype  # noqa: F401
 
-
 date_dtype_name = "dbdate"
 time_dtype_name = "dbtime"
 _EPOCH = datetime.datetime(1970, 1, 1)
@@ -60,7 +59,7 @@ def construct_array_type(cls):
 
     @staticmethod
     def __from_arrow__(
-        array: Union[pyarrow.Array, pyarrow.ChunkedArray]
+        array: Union[pyarrow.Array, pyarrow.ChunkedArray],
     ) -> "TimeArray":
         """Convert to dbtime data from an Arrow array.
 
@@ -219,7 +218,7 @@ def construct_array_type(cls):
 
     @staticmethod
     def __from_arrow__(
-        array: Union[pyarrow.Array, pyarrow.ChunkedArray]
+        array: Union[pyarrow.Array, pyarrow.ChunkedArray],
     ) -> "DateArray":
         """Convert to dbdate data from an Arrow array.
 
diff --git a/packages/db-dtypes/db_dtypes/core.py b/packages/db-dtypes/db_dtypes/core.py
index 8f265a52283ae..5a40b0c4fc590 100644
--- a/packages/db-dtypes/db_dtypes/core.py
+++ b/packages/db-dtypes/db_dtypes/core.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import Optional, Callable, Any
+from typing import Any, Callable, Optional
 
 import numpy
 import pandas
diff --git a/packages/db-dtypes/noxfile.py b/packages/db-dtypes/noxfile.py
index b26f72f7a2854..60a999b1d39c6 100644
--- a/packages/db-dtypes/noxfile.py
+++ b/packages/db-dtypes/noxfile.py
@@ -110,11 +110,25 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
     session.run("python", "-m", "pip", "freeze")
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "db_dtypes", "tests")
diff --git a/packages/db-dtypes/tests/compliance/date/test_date_compliance.py b/packages/db-dtypes/tests/compliance/date/test_date_compliance.py
index 4b8a99b647198..a37c4664862f0 100644
--- a/packages/db-dtypes/tests/compliance/date/test_date_compliance.py
+++ b/packages/db-dtypes/tests/compliance/date/test_date_compliance.py
@@ -22,8 +22,8 @@
 
 import pandas
 import pandas._testing as tm
-from pandas.tests.extension import base
 import pytest
+from pandas.tests.extension import base
 
 import db_dtypes
 
diff --git a/packages/db-dtypes/tests/compliance/time/test_time_compliance.py b/packages/db-dtypes/tests/compliance/time/test_time_compliance.py
index 0e8ddd37489c0..bb0f4f7b7b9c0 100644
--- a/packages/db-dtypes/tests/compliance/time/test_time_compliance.py
+++ b/packages/db-dtypes/tests/compliance/time/test_time_compliance.py
@@ -22,8 +22,8 @@
 
 import pandas
 import pandas._testing as tm
-from pandas.tests.extension import base
 import pytest
+from pandas.tests.extension import base
 
 import db_dtypes
 
diff --git a/packages/db-dtypes/tests/unit/test__init__.py b/packages/db-dtypes/tests/unit/test__init__.py
index 7fa02fe779e04..04408d3e293cc 100644
--- a/packages/db-dtypes/tests/unit/test__init__.py
+++ b/packages/db-dtypes/tests/unit/test__init__.py
@@ -44,9 +44,10 @@ def test_check_python_version_warns_on_unsupported(mock_version_tuple, version_s
     mock_version = VersionInfo(*mock_version_tuple)
 
     # Mock sys.version_info and warnings.warn
-    with mock.patch("sys.version_info", new=mock_version), mock.patch(
-        MOCK_WARN
-    ) as mock_warn_call:
+    with (
+        mock.patch("sys.version_info", new=mock_version),
+        mock.patch(MOCK_WARN) as mock_warn_call,
+    ):
         _check_python_version()  # Call the function
 
         # Assert that warnings.warn was called exactly once
@@ -83,9 +84,10 @@ def test_check_python_version_does_not_warn_on_supported(mock_version_tuple):
     mock_version = VersionInfo(*mock_version_tuple)
 
     # Mock sys.version_info and warnings.warn
-    with mock.patch("sys.version_info", new=mock_version), mock.patch(
-        MOCK_WARN
-    ) as mock_warn_call:
+    with (
+        mock.patch("sys.version_info", new=mock_version),
+        mock.patch(MOCK_WARN) as mock_warn_call,
+    ):
         _check_python_version()
 
         # Assert that warnings.warn was NOT called
diff --git a/packages/db-dtypes/tests/unit/test_date.py b/packages/db-dtypes/tests/unit/test_date.py
index 4fb41a2e45317..717f3c80ccb2d 100644
--- a/packages/db-dtypes/tests/unit/test_date.py
+++ b/packages/db-dtypes/tests/unit/test_date.py
@@ -18,9 +18,9 @@
 import numpy
 import numpy.testing
 import pandas
-from pandas.errors import OutOfBoundsDatetime
 import pandas.testing
 import pytest
+from pandas.errors import OutOfBoundsDatetime
 
 import db_dtypes
 from db_dtypes import pandas_backports
diff --git a/packages/google-auth-httplib2/google_auth_httplib2.py b/packages/google-auth-httplib2/google_auth_httplib2.py
index cd32264ec519e..266c56083dd1b 100644
--- a/packages/google-auth-httplib2/google_auth_httplib2.py
+++ b/packages/google-auth-httplib2/google_auth_httplib2.py
@@ -19,8 +19,8 @@
 import http.client
 import logging
 
-from google.auth import exceptions, transport
 import httplib2
+from google.auth import exceptions, transport
 
 _LOGGER = logging.getLogger(__name__)
 # Properties present in file-like streams / buffers.
@@ -192,7 +192,7 @@ def request(
         headers=None,
         redirections=httplib2.DEFAULT_MAX_REDIRECTS,
         connection_type=None,
-        **kwargs
+        **kwargs,
     ):
         """Implementation of httplib2's Http.request."""
 
@@ -218,7 +218,7 @@ def request(
             headers=request_headers,
             redirections=redirections,
             connection_type=connection_type,
-            **kwargs
+            **kwargs,
         )
 
         # If the response indicated that the credentials needed to be
@@ -252,7 +252,7 @@ def request(
                 redirections=redirections,
                 connection_type=connection_type,
                 _credential_refresh_attempt=_credential_refresh_attempt + 1,
-                **kwargs
+                **kwargs,
             )
 
         return response, content
diff --git a/packages/google-auth-httplib2/noxfile.py b/packages/google-auth-httplib2/noxfile.py
index df530819a42dc..e0a9b93502a45 100644
--- a/packages/google-auth-httplib2/noxfile.py
+++ b/packages/google-auth-httplib2/noxfile.py
@@ -93,10 +93,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "google_auth_httplib2.py", "tests")
diff --git a/packages/google-auth-httplib2/tests/compliance.py b/packages/google-auth-httplib2/tests/compliance.py
index 9d8d7e79d0842..ac9863060573d 100644
--- a/packages/google-auth-httplib2/tests/compliance.py
+++ b/packages/google-auth-httplib2/tests/compliance.py
@@ -15,8 +15,8 @@
 import http.client
 
 import flask
-from google.auth import exceptions
 import pytest
+from google.auth import exceptions
 from pytest_localserver.http import WSGIServer
 
 # .invalid will never resolve, see https://tools.ietf.org/html/rfc2606
diff --git a/packages/google-auth-oauthlib/google_auth_oauthlib/flow.py b/packages/google-auth-oauthlib/google_auth_oauthlib/flow.py
index eb1ed799223ae..ba87a214a28a7 100644
--- a/packages/google-auth-oauthlib/google_auth_oauthlib/flow.py
+++ b/packages/google-auth-oauthlib/google_auth_oauthlib/flow.py
@@ -48,20 +48,21 @@
     https://developers.google.com/identity/protocols/oauth2
 
 """
-from base64 import urlsafe_b64encode
+
 import hashlib
 import json
 import logging
+from base64 import urlsafe_b64encode
 
 try:
     from secrets import SystemRandom
 except ImportError:  # pragma: NO COVER
     from random import SystemRandom
 
-from string import ascii_letters, digits
 import webbrowser
 import wsgiref.simple_server
 import wsgiref.util
+from string import ascii_letters, digits
 
 import google.auth.transport.requests
 import google.oauth2.credentials
@@ -380,7 +381,7 @@ def run_local_server(
         timeout_seconds=None,
         token_audience=None,
         browser=None,
-        **kwargs
+        **kwargs,
     ):
         """Run the flow using the server strategy.
 
diff --git a/packages/google-auth-oauthlib/google_auth_oauthlib/helpers.py b/packages/google-auth-oauthlib/google_auth_oauthlib/helpers.py
index 663c1c9832bf5..7da50d7e12185 100644
--- a/packages/google-auth-oauthlib/google_auth_oauthlib/helpers.py
+++ b/packages/google-auth-oauthlib/google_auth_oauthlib/helpers.py
@@ -24,9 +24,9 @@
 import datetime
 import json
 
-from google.auth import external_account_authorized_user
 import google.oauth2.credentials
 import requests_oauthlib
+from google.auth import external_account_authorized_user
 
 _REQUIRED_CONFIG_KEYS = frozenset(("auth_uri", "token_uri", "client_id"))
 
@@ -123,7 +123,7 @@ def credentials_from_session(session, client_config=None):
 
     if not session.token:
         raise ValueError(
-            "There is no access token for this session, did you call " "fetch_token?"
+            "There is no access token for this session, did you call fetch_token?"
         )
 
     if "3pi" in client_config:
diff --git a/packages/google-auth-oauthlib/noxfile.py b/packages/google-auth-oauthlib/noxfile.py
index eb5419d94ec2e..1aff20a1e3d96 100644
--- a/packages/google-auth-oauthlib/noxfile.py
+++ b/packages/google-auth-oauthlib/noxfile.py
@@ -93,10 +93,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", *LINT_PATHS)
diff --git a/packages/google-auth-oauthlib/setup.py b/packages/google-auth-oauthlib/setup.py
index 77c9a8ace1005..9b2c842b8dfd7 100644
--- a/packages/google-auth-oauthlib/setup.py
+++ b/packages/google-auth-oauthlib/setup.py
@@ -51,7 +51,7 @@
     extras_require={"tool": TOOL_DEPENDENCIES},
     entry_points={
         "console_scripts": [
-            "google-oauthlib-tool" "=google_auth_oauthlib.tool.__main__:main [tool]"
+            "google-oauthlib-tool=google_auth_oauthlib.tool.__main__:main [tool]"
         ]
     },
     python_requires=">=3.10",
diff --git a/packages/google-auth-oauthlib/tests/unit/test_flow.py b/packages/google-auth-oauthlib/tests/unit/test_flow.py
index ed197069d6336..fff68e0ce2943 100644
--- a/packages/google-auth-oauthlib/tests/unit/test_flow.py
+++ b/packages/google-auth-oauthlib/tests/unit/test_flow.py
@@ -14,15 +14,15 @@
 
 import concurrent.futures
 import datetime
-from functools import partial
 import json
 import logging
 import os
 import re
 import socket
-from unittest import mock
 import urllib
 import webbrowser
+from functools import partial
+from unittest import mock
 
 import pytest
 import requests
diff --git a/packages/google-auth-oauthlib/tests/unit/test_helpers.py b/packages/google-auth-oauthlib/tests/unit/test_helpers.py
index 59d97c74687e3..fb494214c99c7 100644
--- a/packages/google-auth-oauthlib/tests/unit/test_helpers.py
+++ b/packages/google-auth-oauthlib/tests/unit/test_helpers.py
@@ -17,9 +17,9 @@
 import os
 from unittest import mock
 
-from google.auth import external_account_authorized_user
 import google.oauth2.credentials
 import pytest
+from google.auth import external_account_authorized_user
 
 from google_auth_oauthlib import helpers
 
@@ -133,9 +133,9 @@ def test_credentials_from_session_3pi(session):
 
     client_secrets_info = CLIENT_SECRETS_INFO["web"].copy()
     client_secrets_info["3pi"] = True
-    client_secrets_info[
-        "token_info_url"
-    ] = "https://accounts.google.com/o/oauth2/introspect"
+    client_secrets_info["token_info_url"] = (
+        "https://accounts.google.com/o/oauth2/introspect"
+    )
     credentials = helpers.credentials_from_session(session, client_secrets_info)
 
     assert isinstance(credentials, external_account_authorized_user.Credentials)
diff --git a/packages/google-auth-oauthlib/tests/unit/test_interactive.py b/packages/google-auth-oauthlib/tests/unit/test_interactive.py
index 88a5bf94f09d4..2c648846dad8a 100644
--- a/packages/google-auth-oauthlib/tests/unit/test_interactive.py
+++ b/packages/google-auth-oauthlib/tests/unit/test_interactive.py
@@ -86,9 +86,12 @@ def mock_find_open_port(start=8080, stop=None):
     monkeypatch.setattr(module_under_test, "find_open_port", mock_find_open_port)
     mock_flow = mock.create_autospec(flow.InstalledAppFlow, instance=True)
 
-    with mock.patch(
-        "google_auth_oauthlib.flow.InstalledAppFlow", autospec=True
-    ) as mock_flow, pytest.raises(ConnectionError):
+    with (
+        mock.patch(
+            "google_auth_oauthlib.flow.InstalledAppFlow", autospec=True
+        ) as mock_flow,
+        pytest.raises(ConnectionError),
+    ):
         mock_flow.from_client_config.return_value = mock_flow
         module_under_test.get_user_credentials(
             ["scopes"], "some-client-id", "shh-secret"
diff --git a/packages/google-auth/google/auth/__init__.py b/packages/google-auth/google/auth/__init__.py
index 927efdd9f8074..985745c45c3cd 100644
--- a/packages/google-auth/google/auth/__init__.py
+++ b/packages/google-auth/google/auth/__init__.py
@@ -23,7 +23,6 @@
     load_credentials_from_file,
 )
 
-
 __version__ = google_auth_version.__version__
 
 
diff --git a/packages/google-auth/google/auth/_agent_identity_utils.py b/packages/google-auth/google/auth/_agent_identity_utils.py
index 4de5d709b4b55..0fa6a92f57ff2 100644
--- a/packages/google-auth/google/auth/_agent_identity_utils.py
+++ b/packages/google-auth/google/auth/_agent_identity_utils.py
@@ -20,8 +20,8 @@
 import re
 import stat
 import time
-from urllib.parse import quote, urlparse
 import warnings
+from urllib.parse import quote, urlparse
 
 from google.auth import environment_vars, exceptions
 
diff --git a/packages/google-auth/google/auth/_cloud_sdk.py b/packages/google-auth/google/auth/_cloud_sdk.py
index 85b3c4f99be37..05f0e9e725152 100644
--- a/packages/google-auth/google/auth/_cloud_sdk.py
+++ b/packages/google-auth/google/auth/_cloud_sdk.py
@@ -17,10 +17,7 @@
 import os
 import subprocess
 
-from google.auth import _helpers
-from google.auth import environment_vars
-from google.auth import exceptions
-
+from google.auth import _helpers, environment_vars, exceptions
 
 # The ~/.config subdirectory containing gcloud credentials.
 _CONFIG_DIRECTORY = "gcloud"
diff --git a/packages/google-auth/google/auth/_credentials_async.py b/packages/google-auth/google/auth/_credentials_async.py
index 937f6e8fb6df9..dcc1dac8044ee 100644
--- a/packages/google-auth/google/auth/_credentials_async.py
+++ b/packages/google-auth/google/auth/_credentials_async.py
@@ -18,8 +18,7 @@
 import abc
 import inspect
 
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
+from google.auth import _regional_access_boundary_utils, credentials
 
 
 class Credentials(credentials.Credentials, metaclass=abc.ABCMeta):
diff --git a/packages/google-auth/google/auth/_default.py b/packages/google-auth/google/auth/_default.py
index cb40c1fa6d778..63b7c5dd3b92f 100644
--- a/packages/google-auth/google/auth/_default.py
+++ b/packages/google-auth/google/auth/_default.py
@@ -16,17 +16,17 @@
 
 Implements application default credentials and project ID detection.
 """
+
 from __future__ import annotations
 
 import io
 import json
 import logging
 import os
-from typing import Optional, Sequence, TYPE_CHECKING
 import warnings
+from typing import TYPE_CHECKING, Optional, Sequence
 
-from google.auth import environment_vars
-from google.auth import exceptions
+from google.auth import environment_vars, exceptions
 
 if TYPE_CHECKING:  # pragma: NO COVER
     import google.auth.credentials.Credentials  # type: ignore
@@ -393,9 +393,9 @@ def _get_gce_credentials(request=None, quota_project_id=None):
     # some cases where it's not available, so we tolerate ImportError.
     # Compute Engine requires optional `requests` dependency.
     try:
+        import google.auth.transport.requests
         from google.auth import compute_engine
         from google.auth.compute_engine import _metadata
-        import google.auth.transport.requests
     except ImportError:
         _LOGGER.warning("Import of Compute Engine auth library failed.")
         return None, None
@@ -692,8 +692,10 @@ def default(
             If no credentials were found, or if the credentials found were
             invalid.
     """
-    from google.auth.credentials import with_scopes_if_required
-    from google.auth.credentials import CredentialsWithQuotaProject
+    from google.auth.credentials import (
+        CredentialsWithQuotaProject,
+        with_scopes_if_required,
+    )
 
     explicit_project_id = os.environ.get(
         environment_vars.PROJECT, os.environ.get(environment_vars.LEGACY_PROJECT)
diff --git a/packages/google-auth/google/auth/_default_async.py b/packages/google-auth/google/auth/_default_async.py
index 44bc6719f97a5..13bd4bfae2a5e 100644
--- a/packages/google-auth/google/auth/_default_async.py
+++ b/packages/google-auth/google/auth/_default_async.py
@@ -22,9 +22,7 @@
 import os
 import warnings
 
-from google.auth import _default
-from google.auth import environment_vars
-from google.auth import exceptions
+from google.auth import _default, environment_vars, exceptions
 
 
 def load_credentials_from_file(filename, scopes=None, quota_project_id=None):
diff --git a/packages/google-auth/google/auth/_helpers.py b/packages/google-auth/google/auth/_helpers.py
index 86c48c1e525cf..568def959d5a6 100644
--- a/packages/google-auth/google/auth/_helpers.py
+++ b/packages/google-auth/google/auth/_helpers.py
@@ -17,17 +17,16 @@
 import base64
 import calendar
 import datetime
-from email.message import Message
 import hashlib
 import json
 import logging
 import sys
-from typing import Any, Dict, Mapping, Optional, Union
 import urllib
+from email.message import Message
+from typing import Any, Dict, Mapping, Optional, Union
 
 from google.auth import exceptions
 
-
 DEFAULT_UNIVERSE_DOMAIN = "googleapis.com"
 
 # _BASE_LOGGER_NAME is the base logger for all google-based loggers.
diff --git a/packages/google-auth/google/auth/_jwt_async.py b/packages/google-auth/google/auth/_jwt_async.py
index ce3bfe4eba572..7ef33e9f4fbd8 100644
--- a/packages/google-auth/google/auth/_jwt_async.py
+++ b/packages/google-auth/google/auth/_jwt_async.py
@@ -43,10 +43,12 @@
 change in minor releases.
 """
 
-from google.auth import _credentials_async
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import jwt
+from google.auth import (
+    _credentials_async,
+    _helpers,
+    _regional_access_boundary_utils,
+    jwt,
+)
 
 
 def encode(signer, payload, header=None, key_id=None):
diff --git a/packages/google-auth/google/auth/_oauth2client.py b/packages/google-auth/google/auth/_oauth2client.py
index 8032b26ad2edc..77f0efc2ddc79 100644
--- a/packages/google-auth/google/auth/_oauth2client.py
+++ b/packages/google-auth/google/auth/_oauth2client.py
@@ -21,11 +21,11 @@
 
 from __future__ import absolute_import
 
-from google.auth import _helpers
 import google.auth.app_engine
 import google.auth.compute_engine
 import google.oauth2.credentials
 import google.oauth2.service_account
+from google.auth import _helpers
 
 try:
     import oauth2client.client  # type: ignore
@@ -128,9 +128,9 @@ def _convert_appengine_app_assertion_credentials(credentials):
 }
 
 if _HAS_APPENGINE:  # pragma: no cover
-    _CLASS_CONVERSION_MAP[
-        oauth2client.contrib.appengine.AppAssertionCredentials
-    ] = _convert_appengine_app_assertion_credentials
+    _CLASS_CONVERSION_MAP[oauth2client.contrib.appengine.AppAssertionCredentials] = (
+        _convert_appengine_app_assertion_credentials
+    )
 
 
 def convert(credentials):
diff --git a/packages/google-auth/google/auth/_regional_access_boundary_utils.py b/packages/google-auth/google/auth/_regional_access_boundary_utils.py
index d09c5f0ff0162..39c5699c4ce02 100644
--- a/packages/google-auth/google/auth/_regional_access_boundary_utils.py
+++ b/packages/google-auth/google/auth/_regional_access_boundary_utils.py
@@ -21,7 +21,7 @@
 import inspect
 import logging
 import threading
-from typing import NamedTuple, Optional, TYPE_CHECKING
+from typing import TYPE_CHECKING, NamedTuple, Optional
 
 from google.auth import _helpers
 
diff --git a/packages/google-auth/google/auth/_service_account_info.py b/packages/google-auth/google/auth/_service_account_info.py
index c432080a907d4..a60a7b9b50e0c 100644
--- a/packages/google-auth/google/auth/_service_account_info.py
+++ b/packages/google-auth/google/auth/_service_account_info.py
@@ -17,8 +17,7 @@
 import io
 import json
 
-from google.auth import crypt
-from google.auth import exceptions
+from google.auth import crypt, exceptions
 
 
 def from_dict(data, require=None, use_rsa_signer=True):
diff --git a/packages/google-auth/google/auth/aio/__init__.py b/packages/google-auth/google/auth/aio/__init__.py
index 331708cba62c4..7926fb88404dc 100644
--- a/packages/google-auth/google/auth/aio/__init__.py
+++ b/packages/google-auth/google/auth/aio/__init__.py
@@ -18,7 +18,6 @@
 
 from google.auth import version as google_auth_version
 
-
 __version__ = google_auth_version.__version__
 
 # Set default logging handler to avoid "No handler found" warnings.
diff --git a/packages/google-auth/google/auth/aio/credentials.py b/packages/google-auth/google/auth/aio/credentials.py
index 3bc6a5a6762a5..10320f2b060e1 100644
--- a/packages/google-auth/google/auth/aio/credentials.py
+++ b/packages/google-auth/google/auth/aio/credentials.py
@@ -15,9 +15,7 @@
 
 """Interfaces for asynchronous credentials."""
 
-
-from google.auth import _helpers
-from google.auth import exceptions
+from google.auth import _helpers, exceptions
 from google.auth._credentials_base import _BaseCredentials
 
 
diff --git a/packages/google-auth/google/auth/aio/transport/__init__.py b/packages/google-auth/google/auth/aio/transport/__init__.py
index 343711272a95b..091bd29fbaff7 100644
--- a/packages/google-auth/google/auth/aio/transport/__init__.py
+++ b/packages/google-auth/google/auth/aio/transport/__init__.py
@@ -29,7 +29,6 @@
 
 import google.auth.transport
 
-
 _DEFAULT_TIMEOUT_SECONDS = 180
 
 DEFAULT_RETRYABLE_STATUS_CODES = google.auth.transport.DEFAULT_RETRYABLE_STATUS_CODES
@@ -111,7 +110,7 @@ async def __call__(
         body: Optional[bytes],
         headers: Optional[Mapping[str, str]],
         timeout: float,
-        **kwargs
+        **kwargs,
     ) -> Response:
         """Make an HTTP request.
 
diff --git a/packages/google-auth/google/auth/aio/transport/aiohttp.py b/packages/google-auth/google/auth/aio/transport/aiohttp.py
index f6a222e05cb38..831e5234d2b14 100644
--- a/packages/google-auth/google/auth/aio/transport/aiohttp.py
+++ b/packages/google-auth/google/auth/aio/transport/aiohttp.py
@@ -16,7 +16,7 @@
 
 import asyncio
 import logging
-from typing import AsyncGenerator, Mapping, Optional, TYPE_CHECKING, Union
+from typing import TYPE_CHECKING, AsyncGenerator, Mapping, Optional, Union
 
 try:
     import aiohttp  # type: ignore
@@ -25,8 +25,7 @@
         "The aiohttp library is not installed from please install the aiohttp package to use the aiohttp transport."
     ) from caught_exc
 
-from google.auth import _helpers
-from google.auth import exceptions
+from google.auth import _helpers, exceptions
 from google.auth.aio import _helpers as _helpers_async
 from google.auth.aio import transport
 
diff --git a/packages/google-auth/google/auth/aio/transport/mtls.py b/packages/google-auth/google/auth/aio/transport/mtls.py
index a7d1baf7355d3..6b4b2ea234551 100644
--- a/packages/google-auth/google/auth/aio/transport/mtls.py
+++ b/packages/google-auth/google/auth/aio/transport/mtls.py
@@ -22,9 +22,9 @@
 import ssl
 from typing import Optional
 
+import google.auth.transport.mtls
 from google.auth import exceptions
 from google.auth.transport._mtls_helper import secure_cert_key_paths
-import google.auth.transport.mtls
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/packages/google-auth/google/auth/aio/transport/sessions.py b/packages/google-auth/google/auth/aio/transport/sessions.py
index d88162667bdad..6d4da4d1c2a11 100644
--- a/packages/google-auth/google/auth/aio/transport/sessions.py
+++ b/packages/google-auth/google/auth/aio/transport/sessions.py
@@ -13,18 +13,18 @@
 # limitations under the License.
 
 import asyncio
-from contextlib import asynccontextmanager
 import functools
 import time
-from typing import Mapping, Optional, TYPE_CHECKING, Union
 import warnings
+from contextlib import asynccontextmanager
+from typing import TYPE_CHECKING, Mapping, Optional, Union
 
+import google.auth.transport._mtls_helper
 from google.auth import _exponential_backoff, exceptions
 from google.auth.aio import transport
 from google.auth.aio.credentials import Credentials
 from google.auth.aio.transport import mtls
 from google.auth.exceptions import TimeoutError
-import google.auth.transport._mtls_helper
 
 if TYPE_CHECKING:  # pragma: NO COVER
     import aiohttp
diff --git a/packages/google-auth/google/auth/api_key.py b/packages/google-auth/google/auth/api_key.py
index 4fdf7f2769ca8..7aaca90b69388 100644
--- a/packages/google-auth/google/auth/api_key.py
+++ b/packages/google-auth/google/auth/api_key.py
@@ -18,9 +18,7 @@
     https://cloud.google.com/docs/authentication/api-keys/
 """
 
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import exceptions
+from google.auth import _helpers, credentials, exceptions
 
 
 class Credentials(credentials.Credentials):
diff --git a/packages/google-auth/google/auth/app_engine.py b/packages/google-auth/google/auth/app_engine.py
index 49f6457f4af13..6937c842dc666 100644
--- a/packages/google-auth/google/auth/app_engine.py
+++ b/packages/google-auth/google/auth/app_engine.py
@@ -22,11 +22,7 @@
     https://cloud.google.com/appengine/docs/python/appidentity/
 """
 
-
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import crypt
-from google.auth import exceptions
+from google.auth import _helpers, credentials, crypt, exceptions
 
 # pytype: disable=import-error
 try:
diff --git a/packages/google-auth/google/auth/aws.py b/packages/google-auth/google/auth/aws.py
index 46c913a7a96f6..1b5f2b275393a 100644
--- a/packages/google-auth/google/auth/aws.py
+++ b/packages/google-auth/google/auth/aws.py
@@ -39,7 +39,6 @@
 """
 
 import abc
-from dataclasses import dataclass
 import hashlib
 import hmac
 import http.client as http_client
@@ -47,14 +46,12 @@
 import os
 import posixpath
 import re
-from typing import Optional
 import urllib
+from dataclasses import dataclass
+from typing import Optional
 from urllib.parse import urljoin
 
-from google.auth import _helpers
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import external_account
+from google.auth import _helpers, environment_vars, exceptions, external_account
 
 # AWS Signature Version 4 signing algorithm identifier.
 _AWS_ALGORITHM = "AWS4-HMAC-SHA256"
@@ -273,9 +270,9 @@ def _generate_authentication_header_map(
         full_headers[key.lower()] = additional_headers[key]
     # Add AWS session token if available.
     if aws_security_credentials.session_token is not None:
-        full_headers[
-            _AWS_SECURITY_TOKEN_HEADER
-        ] = aws_security_credentials.session_token
+        full_headers[_AWS_SECURITY_TOKEN_HEADER] = (
+            aws_security_credentials.session_token
+        )
 
     # Required headers
     full_headers["host"] = host
@@ -618,7 +615,7 @@ def __init__(
         credential_source=None,
         aws_security_credentials_supplier=None,
         *args,
-        **kwargs
+        **kwargs,
     ):
         """Instantiates an AWS workload external account credentials object.
 
@@ -666,7 +663,7 @@ def __init__(
             token_url=token_url,
             credential_source=credential_source,
             *args,
-            **kwargs
+            **kwargs,
         )
         if credential_source is None and aws_security_credentials_supplier is None:
             raise exceptions.InvalidValue(
diff --git a/packages/google-auth/google/auth/compute_engine/__init__.py b/packages/google-auth/google/auth/compute_engine/__init__.py
index 7e1206fc1b28a..6179cb37f7a53 100644
--- a/packages/google-auth/google/auth/compute_engine/__init__.py
+++ b/packages/google-auth/google/auth/compute_engine/__init__.py
@@ -15,8 +15,6 @@
 """Google Compute Engine authentication."""
 
 from google.auth.compute_engine._metadata import detect_gce_residency_linux
-from google.auth.compute_engine.credentials import Credentials
-from google.auth.compute_engine.credentials import IDTokenCredentials
-
+from google.auth.compute_engine.credentials import Credentials, IDTokenCredentials
 
 __all__ = ["Credentials", "IDTokenCredentials", "detect_gce_residency_linux"]
diff --git a/packages/google-auth/google/auth/compute_engine/_metadata.py b/packages/google-auth/google/auth/compute_engine/_metadata.py
index 1ea7792c2cddf..58c509dfa768a 100644
--- a/packages/google-auth/google/auth/compute_engine/_metadata.py
+++ b/packages/google-auth/google/auth/compute_engine/_metadata.py
@@ -27,15 +27,10 @@
 
 import requests
 
-from google.auth import _helpers
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import metrics
-from google.auth import transport
+from google.auth import _helpers, environment_vars, exceptions, metrics, transport
 from google.auth._exponential_backoff import ExponentialBackoff
 from google.auth.compute_engine import _mtls
 
-
 _LOGGER = logging.getLogger(__name__)
 
 _SERVICE_ACCOUNT_EMAIL_PATTERN = re.compile(
diff --git a/packages/google-auth/google/auth/compute_engine/_mtls.py b/packages/google-auth/google/auth/compute_engine/_mtls.py
index c4d3a3c12bdff..dc7b8b31c84c3 100644
--- a/packages/google-auth/google/auth/compute_engine/_mtls.py
+++ b/packages/google-auth/google/auth/compute_engine/_mtls.py
@@ -16,12 +16,12 @@
 #
 """Mutual TLS for Google Compute Engine metadata server."""
 
-from dataclasses import dataclass, field
 import enum
 import logging
 import os
-from pathlib import Path
 import ssl
+from dataclasses import dataclass, field
+from pathlib import Path
 from urllib.parse import urlparse, urlunparse
 
 import requests
@@ -29,7 +29,6 @@
 
 from google.auth import environment_vars, exceptions
 
-
 _LOGGER = logging.getLogger(__name__)
 
 _WINDOWS_OS_NAME = "nt"
diff --git a/packages/google-auth/google/auth/compute_engine/credentials.py b/packages/google-auth/google/auth/compute_engine/credentials.py
index 3701751bda2bb..d0d24b41f4e47 100644
--- a/packages/google-auth/google/auth/compute_engine/credentials.py
+++ b/packages/google-auth/google/auth/compute_engine/credentials.py
@@ -21,16 +21,17 @@
 
 import datetime
 import logging
-from typing import Optional, TYPE_CHECKING
-
-
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import jwt
-from google.auth import metrics
+from typing import TYPE_CHECKING, Optional
+
+from google.auth import (
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+    exceptions,
+    iam,
+    jwt,
+    metrics,
+)
 from google.auth.compute_engine import _metadata
 from google.oauth2 import _client
 
@@ -174,7 +175,8 @@ def _is_regional_access_boundary_lookup_required(self):
         return _metadata._is_service_account_email(self.service_account_email)
 
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """Builds and returns the URL for the regional access boundary lookup API for GCE.
 
@@ -467,7 +469,7 @@ def with_token_uri(self, token_uri):
         # the request is not needed
         if self._use_metadata_identity_endpoint:
             raise ValueError(
-                "If use_metadata_identity_endpoint is set, token_uri" " must not be set"
+                "If use_metadata_identity_endpoint is set, token_uri must not be set"
             )
         else:
             return self.__class__(
diff --git a/packages/google-auth/google/auth/credentials.py b/packages/google-auth/google/auth/credentials.py
index 3975dab48ad49..66319c0d04fcd 100644
--- a/packages/google-auth/google/auth/credentials.py
+++ b/packages/google-auth/google/auth/credentials.py
@@ -16,18 +16,20 @@
 """Interfaces for credentials."""
 
 import abc
-from enum import Enum
 import logging
 import os
-from typing import Dict, List, Optional, TYPE_CHECKING
-from urllib.parse import urlparse
 import warnings
+from enum import Enum
+from typing import TYPE_CHECKING, Dict, List, Optional
+from urllib.parse import urlparse
 
-
-from google.auth import _helpers, environment_vars
-from google.auth import _regional_access_boundary_utils
-from google.auth import exceptions
-from google.auth import metrics
+from google.auth import (
+    _helpers,
+    _regional_access_boundary_utils,
+    environment_vars,
+    exceptions,
+    metrics,
+)
 from google.auth._credentials_base import _BaseCredentials
 from google.auth._refresh_worker import RefreshThreadManager
 
@@ -546,7 +548,8 @@ def _lookup_regional_access_boundary(
 
     @abc.abstractmethod
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """
         Builds and returns the URL for the Regional Access Boundary lookup API.
diff --git a/packages/google-auth/google/auth/crypt/__init__.py b/packages/google-auth/google/auth/crypt/__init__.py
index e56bc7b82df70..b61ba02fc6149 100644
--- a/packages/google-auth/google/auth/crypt/__init__.py
+++ b/packages/google-auth/google/auth/crypt/__init__.py
@@ -37,10 +37,7 @@
 version is at least 1.4.0.
 """
 
-from google.auth.crypt import base
-from google.auth.crypt import es
-from google.auth.crypt import es256
-from google.auth.crypt import rsa
+from google.auth.crypt import base, es, es256, rsa
 
 EsSigner = es.EsSigner
 EsVerifier = es.EsVerifier
diff --git a/packages/google-auth/google/auth/crypt/_cryptography_rsa.py b/packages/google-auth/google/auth/crypt/_cryptography_rsa.py
index 1a3e9ff52c664..baa614026007a 100644
--- a/packages/google-auth/google/auth/crypt/_cryptography_rsa.py
+++ b/packages/google-auth/google/auth/crypt/_cryptography_rsa.py
@@ -20,11 +20,10 @@
 """
 
 import cryptography.exceptions
+import cryptography.x509
 from cryptography.hazmat import backends
-from cryptography.hazmat.primitives import hashes
-from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives import hashes, serialization
 from cryptography.hazmat.primitives.asymmetric import padding
-import cryptography.x509
 
 from google.auth import _helpers
 from google.auth.crypt import base
diff --git a/packages/google-auth/google/auth/crypt/_python_rsa.py b/packages/google-auth/google/auth/crypt/_python_rsa.py
index d9305e835dc96..743a7484ec6f4 100644
--- a/packages/google-auth/google/auth/crypt/_python_rsa.py
+++ b/packages/google-auth/google/auth/crypt/_python_rsa.py
@@ -24,14 +24,13 @@
 import io
 import warnings
 
+import rsa  # type: ignore
 from pyasn1.codec.der import decoder  # type: ignore
 from pyasn1_modules import pem  # type: ignore
 from pyasn1_modules.rfc2459 import Certificate  # type: ignore
 from pyasn1_modules.rfc5208 import PrivateKeyInfo  # type: ignore
-import rsa  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
+from google.auth import _helpers, exceptions
 from google.auth.crypt import base
 
 _POW2 = (128, 64, 32, 16, 8, 4, 2, 1)
diff --git a/packages/google-auth/google/auth/crypt/base.py b/packages/google-auth/google/auth/crypt/base.py
index ad871c311566b..f9bb2bf0c9671 100644
--- a/packages/google-auth/google/auth/crypt/base.py
+++ b/packages/google-auth/google/auth/crypt/base.py
@@ -103,7 +103,7 @@ def from_service_account_info(cls, info):
         """
         if _JSON_FILE_PRIVATE_KEY not in info:
             raise exceptions.MalformedError(
-                "The private_key field was not found in the service account " "info."
+                "The private_key field was not found in the service account info."
             )
 
         return cls.from_string(
diff --git a/packages/google-auth/google/auth/crypt/es.py b/packages/google-auth/google/auth/crypt/es.py
index dbbe56b3f8fb7..ac656c88cc114 100644
--- a/packages/google-auth/google/auth/crypt/es.py
+++ b/packages/google-auth/google/auth/crypt/es.py
@@ -12,26 +12,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""ECDSA verifier and signer that use the ``cryptography`` library.
-"""
+"""ECDSA verifier and signer that use the ``cryptography`` library."""
 
 from dataclasses import dataclass
 from typing import Any, Dict, Optional, Union
 
 import cryptography.exceptions
-from cryptography.hazmat import backends
-from cryptography.hazmat.primitives import hashes
-from cryptography.hazmat.primitives import serialization
-from cryptography.hazmat.primitives.asymmetric import ec
-from cryptography.hazmat.primitives.asymmetric import padding
-from cryptography.hazmat.primitives.asymmetric.utils import decode_dss_signature
-from cryptography.hazmat.primitives.asymmetric.utils import encode_dss_signature
 import cryptography.x509
+from cryptography.hazmat import backends
+from cryptography.hazmat.primitives import hashes, serialization
+from cryptography.hazmat.primitives.asymmetric import ec, padding
+from cryptography.hazmat.primitives.asymmetric.utils import (
+    decode_dss_signature,
+    encode_dss_signature,
+)
 
 from google.auth import _helpers
 from google.auth.crypt import base
 
-
 _CERTIFICATE_MARKER = b"-----BEGIN CERTIFICATE-----"
 _BACKEND = backends.default_backend()
 _PADDING = padding.PKCS1v15()
diff --git a/packages/google-auth/google/auth/crypt/es256.py b/packages/google-auth/google/auth/crypt/es256.py
index e7bda5d3fc292..3160c48383900 100644
--- a/packages/google-auth/google/auth/crypt/es256.py
+++ b/packages/google-auth/google/auth/crypt/es256.py
@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""ECDSA (ES256) verifier and signer that use the ``cryptography`` library.
-"""
+"""ECDSA (ES256) verifier and signer that use the ``cryptography`` library."""
 
-from google.auth.crypt.es import EsSigner
-from google.auth.crypt.es import EsVerifier
+from google.auth.crypt.es import EsSigner, EsVerifier
 
 
 class ES256Verifier(EsVerifier):
diff --git a/packages/google-auth/google/auth/crypt/rsa.py b/packages/google-auth/google/auth/crypt/rsa.py
index 639be90695491..436dcc2d9d058 100644
--- a/packages/google-auth/google/auth/crypt/rsa.py
+++ b/packages/google-auth/google/auth/crypt/rsa.py
@@ -19,12 +19,10 @@
 for implmentations using different third party libraries
 """
 
-from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey
-from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey
+from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey, RSAPublicKey
 
 from google.auth import _helpers
-from google.auth.crypt import _cryptography_rsa
-from google.auth.crypt import base
+from google.auth.crypt import _cryptography_rsa, base
 
 RSA_KEY_MODULE_PREFIX = "rsa.key"
 
diff --git a/packages/google-auth/google/auth/downscoped.py b/packages/google-auth/google/auth/downscoped.py
index ea75be90fe4e0..06a9ba5f771f5 100644
--- a/packages/google-auth/google/auth/downscoped.py
+++ b/packages/google-auth/google/auth/downscoped.py
@@ -50,9 +50,7 @@
 
 import datetime
 
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import exceptions
+from google.auth import _helpers, credentials, exceptions
 from google.oauth2 import sts
 
 # The maximum number of access boundary rules a Credential Access Boundary can
diff --git a/packages/google-auth/google/auth/environment_vars.py b/packages/google-auth/google/auth/environment_vars.py
index 7d82d288a24cc..54550945f994f 100644
--- a/packages/google-auth/google/auth/environment_vars.py
+++ b/packages/google-auth/google/auth/environment_vars.py
@@ -14,7 +14,6 @@
 
 """Environment variables used by :mod:`google.auth`."""
 
-
 PROJECT = "GOOGLE_CLOUD_PROJECT"
 """Environment variable defining default project.
 
diff --git a/packages/google-auth/google/auth/external_account.py b/packages/google-auth/google/auth/external_account.py
index b90fcab4c0ee5..e5d4fadc72f13 100644
--- a/packages/google-auth/google/auth/external_account.py
+++ b/packages/google-auth/google/auth/external_account.py
@@ -29,7 +29,6 @@
 
 import abc
 import copy
-from dataclasses import dataclass
 import datetime
 import functools
 import io
@@ -37,17 +36,18 @@
 import logging
 import re
 import threading
-from typing import Optional, TYPE_CHECKING
-
-
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import impersonated_credentials
-from google.auth import metrics
-from google.oauth2 import sts
-from google.oauth2 import utils
+from dataclasses import dataclass
+from typing import TYPE_CHECKING, Optional
+
+from google.auth import (
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+    exceptions,
+    impersonated_credentials,
+    metrics,
+)
+from google.oauth2 import sts, utils
 
 if TYPE_CHECKING:  # pragma: NO COVER
     import google.auth.transport
@@ -536,7 +536,8 @@ def _perform_refresh_token(self, request, cert_fingerprint=None):
             self.expiry = now + lifetime
 
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """Builds and returns the URL for the Regional Access Boundary lookup API."""
         if getattr(self, "_impersonated_credentials", None):
@@ -746,7 +747,7 @@ def from_info(cls, info, **kwargs):
                 "universe_domain", credentials.DEFAULT_UNIVERSE_DOMAIN
             ),
             trust_boundary=info.get("trust_boundary"),
-            **kwargs
+            **kwargs,
         )
 
     @classmethod
diff --git a/packages/google-auth/google/auth/external_account_authorized_user.py b/packages/google-auth/google/auth/external_account_authorized_user.py
index 35144f15d69ed..0b387053baa91 100644
--- a/packages/google-auth/google/auth/external_account_authorized_user.py
+++ b/packages/google-auth/google/auth/external_account_authorized_user.py
@@ -38,15 +38,15 @@
 import json
 import logging
 import re
-from typing import Optional, TYPE_CHECKING
+from typing import TYPE_CHECKING, Optional
 
-
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
-from google.auth import exceptions
-from google.oauth2 import sts
-from google.oauth2 import utils
+from google.auth import (
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+    exceptions,
+)
+from google.oauth2 import sts, utils
 
 if TYPE_CHECKING:  # pragma: NO COVER
     import google.auth.transport
@@ -317,7 +317,8 @@ def _perform_refresh_token(self, request):
             self._refresh_token = response_data["refresh_token"]
 
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """Builds and returns the URL for the Regional Access Boundary lookup API.
 
@@ -442,7 +443,7 @@ def from_info(cls, info, **kwargs):
                 "universe_domain", credentials.DEFAULT_UNIVERSE_DOMAIN
             ),
             trust_boundary=info.get("trust_boundary"),
-            **kwargs
+            **kwargs,
         )
 
     @classmethod
diff --git a/packages/google-auth/google/auth/iam.py b/packages/google-auth/google/auth/iam.py
index 2ecb1b0014b88..46ae558c51980 100644
--- a/packages/google-auth/google/auth/iam.py
+++ b/packages/google-auth/google/auth/iam.py
@@ -23,11 +23,7 @@
 import http.client as http_client
 import json
 
-from google.auth import _exponential_backoff
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import crypt
-from google.auth import exceptions
+from google.auth import _exponential_backoff, _helpers, credentials, crypt, exceptions
 from google.auth.transport import _mtls_helper
 
 IAM_RETRY_CODES = {
diff --git a/packages/google-auth/google/auth/identity_pool.py b/packages/google-auth/google/auth/identity_pool.py
index dd5f103b72502..41b312e4f8414 100644
--- a/packages/google-auth/google/auth/identity_pool.py
+++ b/packages/google-auth/google/auth/identity_pool.py
@@ -46,9 +46,7 @@
 import os
 from typing import NamedTuple
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import external_account
+from google.auth import _helpers, exceptions, external_account
 from google.auth.transport import _mtls_helper
 
 
@@ -277,7 +275,7 @@ def __init__(
         credential_source=None,
         subject_token_supplier=None,
         *args,
-        **kwargs
+        **kwargs,
     ):
         """Instantiates an external account credentials object from a file/URL.
 
@@ -335,7 +333,7 @@ def __init__(
             token_url=token_url,
             credential_source=credential_source,
             *args,
-            **kwargs
+            **kwargs,
         )
         if credential_source is None and subject_token_supplier is None:
             raise exceptions.InvalidValue(
diff --git a/packages/google-auth/google/auth/impersonated_credentials.py b/packages/google-auth/google/auth/impersonated_credentials.py
index 7239a37b4ec67..f9faab5e73360 100644
--- a/packages/google-auth/google/auth/impersonated_credentials.py
+++ b/packages/google-auth/google/auth/impersonated_credentials.py
@@ -27,21 +27,22 @@
 
 import base64
 import copy
-from datetime import datetime
 import http.client as http_client
 import json
 import logging
-from typing import Optional, TYPE_CHECKING
-
-
-from google.auth import _exponential_backoff
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import jwt
-from google.auth import metrics
+from datetime import datetime
+from typing import TYPE_CHECKING, Optional
+
+from google.auth import (
+    _exponential_backoff,
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+    exceptions,
+    iam,
+    jwt,
+    metrics,
+)
 from google.oauth2 import _client
 
 if TYPE_CHECKING:  # pragma: NO COVER
@@ -352,7 +353,8 @@ def _perform_refresh_token(self, request):
         )
 
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """Builds and returns the URL for the Regional Access Boundary lookup API.
 
@@ -569,7 +571,7 @@ def __init__(
 
         if not isinstance(target_credentials, Credentials):
             raise exceptions.GoogleAuthError(
-                "Provided Credential must be " "impersonated_credentials"
+                "Provided Credential must be impersonated_credentials"
             )
         self._target_credentials = target_credentials
         self._target_audience = target_audience
diff --git a/packages/google-auth/google/auth/jwt.py b/packages/google-auth/google/auth/jwt.py
index 754079eb796fb..9eff792e7bc2a 100644
--- a/packages/google-auth/google/auth/jwt.py
+++ b/packages/google-auth/google/auth/jwt.py
@@ -50,13 +50,15 @@
 import json
 import urllib
 
-from google.auth import _cache
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import _service_account_info
-from google.auth import crypt
-from google.auth import exceptions
 import google.auth.credentials
+from google.auth import (
+    _cache,
+    _helpers,
+    _regional_access_boundary_utils,
+    _service_account_info,
+    crypt,
+    exceptions,
+)
 
 try:
     from google.auth.crypt import es
diff --git a/packages/google-auth/google/auth/metrics.py b/packages/google-auth/google/auth/metrics.py
index 89a15d740d7eb..c8b09b8cabd16 100644
--- a/packages/google-auth/google/auth/metrics.py
+++ b/packages/google-auth/google/auth/metrics.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-""" We use x-goog-api-client header to report metrics. This module provides
+"""We use x-goog-api-client header to report metrics. This module provides
 the constants and helper methods to construct x-goog-api-client header.
 """
 
@@ -20,7 +20,6 @@
 
 from google.auth import version
 
-
 API_CLIENT_HEADER = "x-goog-api-client"
 
 # BYOID Specific consts
diff --git a/packages/google-auth/google/auth/pluggable.py b/packages/google-auth/google/auth/pluggable.py
index b7d832da9a4c9..1dc6f0252ce4d 100644
--- a/packages/google-auth/google/auth/pluggable.py
+++ b/packages/google-auth/google/auth/pluggable.py
@@ -42,9 +42,7 @@
 import sys
 import time
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import external_account
+from google.auth import _helpers, exceptions, external_account
 
 # The max supported executable spec version.
 EXECUTABLE_SUPPORTED_MAX_VERSION = 1
@@ -76,7 +74,7 @@ def __init__(
         token_url,
         credential_source,
         *args,
-        **kwargs
+        **kwargs,
     ):
         """Instantiates an external account credentials object from a executables.
 
@@ -118,7 +116,7 @@ def __init__(
             token_url=token_url,
             credential_source=credential_source,
             *args,
-            **kwargs
+            **kwargs,
         )
         if not isinstance(credential_source, Mapping):
             self._credential_source_executable = None
@@ -352,13 +350,13 @@ def _inject_env_variables(self, env):
         env["GOOGLE_EXTERNAL_ACCOUNT_INTERACTIVE"] = "1" if self.interactive else "0"
 
         if self._service_account_impersonation_url is not None:
-            env[
-                "GOOGLE_EXTERNAL_ACCOUNT_IMPERSONATED_EMAIL"
-            ] = self.service_account_email
+            env["GOOGLE_EXTERNAL_ACCOUNT_IMPERSONATED_EMAIL"] = (
+                self.service_account_email
+            )
         if self._credential_source_executable_output_file is not None:
-            env[
-                "GOOGLE_EXTERNAL_ACCOUNT_OUTPUT_FILE"
-            ] = self._credential_source_executable_output_file
+            env["GOOGLE_EXTERNAL_ACCOUNT_OUTPUT_FILE"] = (
+                self._credential_source_executable_output_file
+            )
 
     def _parse_subject_token(self, response):
         self._validate_response_schema(response)
diff --git a/packages/google-auth/google/auth/transport/_aiohttp_requests.py b/packages/google-auth/google/auth/transport/_aiohttp_requests.py
index 0360cb40bab61..0513602bf69fb 100644
--- a/packages/google-auth/google/auth/transport/_aiohttp_requests.py
+++ b/packages/google-auth/google/auth/transport/_aiohttp_requests.py
@@ -27,13 +27,10 @@
 import aiohttp  # type: ignore
 import urllib3  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, exceptions, transport
 from google.auth.aio import _helpers as _helpers_async
 from google.auth.transport import requests
 
-
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/packages/google-auth/google/auth/transport/_http_client.py b/packages/google-auth/google/auth/transport/_http_client.py
index bcfc2b27cb8ee..a7c40853b13bd 100644
--- a/packages/google-auth/google/auth/transport/_http_client.py
+++ b/packages/google-auth/google/auth/transport/_http_client.py
@@ -19,9 +19,7 @@
 import socket
 import urllib
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, exceptions, transport
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/packages/google-auth/google/auth/transport/_mtls_helper.py b/packages/google-auth/google/auth/transport/_mtls_helper.py
index 7779c484c7137..a393bc414843a 100644
--- a/packages/google-auth/google/auth/transport/_mtls_helper.py
+++ b/packages/google-auth/google/auth/transport/_mtls_helper.py
@@ -18,17 +18,14 @@
 import json
 import logging
 import os
-from os import environ, getenv, path
 import re
 import subprocess
 import sys
 import tempfile
-from typing import cast, Generator, List, Optional, Tuple, Union
+from os import environ, getenv, path
+from typing import Generator, List, Optional, Tuple, Union, cast
 
-from google.auth import _agent_identity_utils
-from google.auth import _cloud_sdk
-from google.auth import environment_vars
-from google.auth import exceptions
+from google.auth import _agent_identity_utils, _cloud_sdk, environment_vars, exceptions
 
 CONTEXT_AWARE_METADATA_PATH = "~/.secureConnect/context_aware_metadata.json"
 
@@ -132,9 +129,11 @@ def secure_cert_key_paths(
                     key_path is None or os.path.exists(key_path)
                 ):
                     if _can_read(cert_path) and _can_read(key_path):
-                        yield cast(str, cert_path or cert), cast(
-                            str, key_path or key
-                        ), passphrase
+                        yield (
+                            cast(str, cert_path or cert),
+                            cast(str, key_path or key),
+                            passphrase,
+                        )
                         return
         except _MemfdCreationError:
             pass  # Fallback to Tier 3 on failure.
@@ -159,9 +158,10 @@ def _encrypt_key_if_plaintext(
     returned as-is (plaintext) as a fallback. This allows the caller (underlying SSL
     context) to attempt loading the key directly and handle any failures.
     """
+    import secrets
+
     import cryptography
     from cryptography.hazmat.primitives import serialization
-    import secrets
 
     try:
         pkey = serialization.load_pem_private_key(key_bytes, password=None)
diff --git a/packages/google-auth/google/auth/transport/_requests_base.py b/packages/google-auth/google/auth/transport/_requests_base.py
index 0608223d8c20c..650c4a0656e60 100644
--- a/packages/google-auth/google/auth/transport/_requests_base.py
+++ b/packages/google-auth/google/auth/transport/_requests_base.py
@@ -18,7 +18,6 @@
 
 import abc
 
-
 _DEFAULT_TIMEOUT = 120  # in second
 
 
@@ -44,7 +43,7 @@ def request(
         headers=None,
         max_allowed_time=None,
         timeout=_DEFAULT_TIMEOUT,
-        **kwargs
+        **kwargs,
     ):
         raise NotImplementedError("Request must be implemented")
 
diff --git a/packages/google-auth/google/auth/transport/grpc.py b/packages/google-auth/google/auth/transport/grpc.py
index df6e5fa828829..df1117b91a1fb 100644
--- a/packages/google-auth/google/auth/transport/grpc.py
+++ b/packages/google-auth/google/auth/transport/grpc.py
@@ -20,8 +20,7 @@
 import warnings
 
 from google.auth import exceptions
-from google.auth.transport import _mtls_helper
-from google.auth.transport import mtls
+from google.auth.transport import _mtls_helper, mtls
 from google.oauth2 import service_account
 
 try:
@@ -129,7 +128,7 @@ def secure_authorized_channel(
     target,
     ssl_credentials=None,
     client_cert_callback=None,
-    **kwargs
+    **kwargs,
 ):
     """Creates a secure authorized gRPC channel.
 
diff --git a/packages/google-auth/google/auth/transport/mtls.py b/packages/google-auth/google/auth/transport/mtls.py
index bc92b4295eaf9..54b675b3a1fa2 100644
--- a/packages/google-auth/google/auth/transport/mtls.py
+++ b/packages/google-auth/google/auth/transport/mtls.py
@@ -16,12 +16,11 @@
 
 import enum
 import logging
-from os import getenv
 import ssl
+from os import getenv
 from typing import Optional
 
-from google.auth import environment_vars
-from google.auth import exceptions
+from google.auth import environment_vars, exceptions
 from google.auth.transport import _mtls_helper
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/packages/google-auth/google/auth/transport/requests.py b/packages/google-auth/google/auth/transport/requests.py
index 822cf687f5d09..94de63f7fd0be 100644
--- a/packages/google-auth/google/auth/transport/requests.py
+++ b/packages/google-auth/google/auth/transport/requests.py
@@ -35,11 +35,9 @@
     create_urllib3_context,
 )  # pylint: disable=ungrouped-imports
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
-from google.auth.transport import _mtls_helper
 import google.auth.transport._mtls_helper
+from google.auth import _helpers, exceptions, transport
+from google.auth.transport import _mtls_helper
 from google.oauth2 import service_account
 
 _LOGGER = logging.getLogger(__name__)
@@ -161,7 +159,7 @@ def __call__(
         body=None,
         headers=None,
         timeout=_DEFAULT_TIMEOUT,
-        **kwargs
+        **kwargs,
     ):
         """Make an HTTP request using requests.
 
@@ -209,9 +207,10 @@ class _MutualTlsAdapter(requests.adapters.HTTPAdapter):
     """
 
     def __init__(self, cert, key, **kwargs):
-        import certifi
         import ssl
 
+        import certifi
+
         ctx_poolmanager = create_urllib3_context()
         ctx_poolmanager.load_verify_locations(cafile=certifi.where())
 
@@ -285,6 +284,7 @@ class _MutualTlsOffloadAdapter(requests.adapters.HTTPAdapter):
 
     def __init__(self, enterprise_cert_file_path):
         import certifi
+
         from google.auth.transport import _custom_tls_signer
 
         self.signer = _custom_tls_signer.CustomTlsSigner(enterprise_cert_file_path)
@@ -570,7 +570,7 @@ def request(
         headers=None,
         max_allowed_time=None,
         timeout=_DEFAULT_TIMEOUT,
-        **kwargs
+        **kwargs,
     ):
         """Implementation of Requests' request.
 
@@ -632,7 +632,7 @@ def request(
                 data=data,
                 headers=request_headers,
                 timeout=timeout,
-                **kwargs
+                **kwargs,
             )
         remaining_time = guard.remaining_timeout
 
@@ -711,7 +711,7 @@ def request(
                 max_allowed_time=remaining_time,
                 timeout=timeout,
                 _credential_refresh_attempt=_credential_refresh_attempt + 1,
-                **kwargs
+                **kwargs,
             )
 
         return response
diff --git a/packages/google-auth/google/auth/transport/urllib3.py b/packages/google-auth/google/auth/transport/urllib3.py
index 18e6128e03bd8..801309e9b64e3 100644
--- a/packages/google-auth/google/auth/transport/urllib3.py
+++ b/packages/google-auth/google/auth/transport/urllib3.py
@@ -50,9 +50,7 @@
     ) from caught_exc
 
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, exceptions, transport
 from google.auth.transport import _mtls_helper
 from google.oauth2 import service_account
 
@@ -176,9 +174,10 @@ def _make_mutual_tls_http(cert, key):
     Raises:
         google.auth.exceptions.MutualTLSChannelError: If the cert or key is invalid.
     """
-    import certifi
     import ssl
 
+    import certifi
+
     ctx = urllib3.util.ssl_.create_urllib3_context()
     ctx.load_verify_locations(cafile=certifi.where())
 
diff --git a/packages/google-auth/google/oauth2/_client.py b/packages/google-auth/google/oauth2/_client.py
index 464849e4f3e0d..1afa7ab55d325 100644
--- a/packages/google-auth/google/oauth2/_client.py
+++ b/packages/google-auth/google/oauth2/_client.py
@@ -29,13 +29,15 @@
 import logging
 import urllib
 
-from google.auth import _exponential_backoff
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import jwt
-from google.auth import metrics
-from google.auth import transport
+from google.auth import (
+    _exponential_backoff,
+    _helpers,
+    credentials,
+    exceptions,
+    jwt,
+    metrics,
+    transport,
+)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -145,7 +147,7 @@ def _token_endpoint_request_no_throw(
     use_json=False,
     can_retry=True,
     headers=None,
-    **kwargs
+    **kwargs,
 ):
     """Makes a request to the OAuth 2.0 authorization server's token endpoint.
     This function doesn't throw on response errors.
@@ -229,7 +231,7 @@ def _token_endpoint_request(
     use_json=False,
     can_retry=True,
     headers=None,
-    **kwargs
+    **kwargs,
 ):
     """Makes a request to the OAuth 2.0 authorization server's token endpoint.
 
@@ -272,7 +274,7 @@ def _token_endpoint_request(
         use_json=use_json,
         can_retry=can_retry,
         headers=headers,
-        **kwargs
+        **kwargs,
     )
     if not response_status_ok:
         _handle_error_response(response_data, retryable_error)
diff --git a/packages/google-auth/google/oauth2/_client_async.py b/packages/google-auth/google/oauth2/_client_async.py
index 6e921d23f9aa1..1cb3ee0243f52 100644
--- a/packages/google-auth/google/oauth2/_client_async.py
+++ b/packages/google-auth/google/oauth2/_client_async.py
@@ -28,10 +28,7 @@
 import json
 import urllib
 
-from google.auth import _exponential_backoff
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import jwt
+from google.auth import _exponential_backoff, _helpers, exceptions, jwt
 from google.oauth2 import _client as client
 
 
diff --git a/packages/google-auth/google/oauth2/_credentials_async.py b/packages/google-auth/google/oauth2/_credentials_async.py
index b5561aae02293..06641e37cf10b 100644
--- a/packages/google-auth/google/oauth2/_credentials_async.py
+++ b/packages/google-auth/google/oauth2/_credentials_async.py
@@ -32,8 +32,7 @@
 """
 
 from google.auth import _credentials_async as credentials
-from google.auth import _helpers
-from google.auth import exceptions
+from google.auth import _helpers, exceptions
 from google.oauth2 import _reauth_async as reauth
 from google.oauth2 import credentials as oauth2_credentials
 
diff --git a/packages/google-auth/google/oauth2/_id_token_async.py b/packages/google-auth/google/oauth2/_id_token_async.py
index a7f77a1c785b8..38d79ef5d6124 100644
--- a/packages/google-auth/google/oauth2/_id_token_async.py
+++ b/packages/google-auth/google/oauth2/_id_token_async.py
@@ -62,9 +62,7 @@
 import json
 import os
 
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import jwt
+from google.auth import environment_vars, exceptions, jwt
 from google.auth.transport import requests
 from google.oauth2 import id_token as sync_id_token
 
diff --git a/packages/google-auth/google/oauth2/_reauth_async.py b/packages/google-auth/google/oauth2/_reauth_async.py
index eeb8e9fb02739..516e8641c556b 100644
--- a/packages/google-auth/google/oauth2/_reauth_async.py
+++ b/packages/google-auth/google/oauth2/_reauth_async.py
@@ -35,10 +35,7 @@
 import sys
 
 from google.auth import exceptions
-from google.oauth2 import _client
-from google.oauth2 import _client_async
-from google.oauth2 import challenges
-from google.oauth2 import reauth
+from google.oauth2 import _client, _client_async, challenges, reauth
 
 
 async def _get_challenges(
diff --git a/packages/google-auth/google/oauth2/_service_account_async.py b/packages/google-auth/google/oauth2/_service_account_async.py
index 69b80a2531d26..50ba8e82530c1 100644
--- a/packages/google-auth/google/oauth2/_service_account_async.py
+++ b/packages/google-auth/google/oauth2/_service_account_async.py
@@ -23,10 +23,8 @@
 """
 
 from google.auth import _credentials_async as credentials_async
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.oauth2 import _client_async
-from google.oauth2 import service_account
+from google.auth import _helpers, _regional_access_boundary_utils
+from google.oauth2 import _client_async, service_account
 
 
 class Credentials(
diff --git a/packages/google-auth/google/oauth2/challenges.py b/packages/google-auth/google/oauth2/challenges.py
index 59a2f9be4f43b..9f06ad9ef13e6 100644
--- a/packages/google-auth/google/oauth2/challenges.py
+++ b/packages/google-auth/google/oauth2/challenges.py
@@ -12,16 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-""" Challenges for reauthentication.
-"""
+"""Challenges for reauthentication."""
 
 import abc
 import base64
 import getpass
 import sys
 
-from google.auth import _helpers
-from google.auth import exceptions
+from google.auth import _helpers, exceptions
 from google.oauth2 import webauthn_handler_factory
 from google.oauth2.webauthn_types import (
     AuthenticationExtensionsClientInputs,
@@ -29,7 +27,6 @@
     PublicKeyCredentialDescriptor,
 )
 
-
 REAUTH_ORIGIN = "https://accounts.google.com"
 SAML_CHALLENGE_MESSAGE = (
     "Please run `gcloud auth login` to complete reauthentication with SAML."
diff --git a/packages/google-auth/google/oauth2/credentials.py b/packages/google-auth/google/oauth2/credentials.py
index 5edea697bfdc1..cff8647d3bd9d 100644
--- a/packages/google-auth/google/oauth2/credentials.py
+++ b/packages/google-auth/google/oauth2/credentials.py
@@ -31,18 +31,20 @@
 .. _rfc6749 section 4.1: https://tools.ietf.org/html/rfc6749#section-4.1
 """
 
-from datetime import datetime
 import io
 import json
 import logging
 import warnings
+from datetime import datetime
 
-from google.auth import _cloud_sdk
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import metrics
+from google.auth import (
+    _cloud_sdk,
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+    exceptions,
+    metrics,
+)
 from google.oauth2 import reauth
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/packages/google-auth/google/oauth2/gdch_credentials.py b/packages/google-auth/google/oauth2/gdch_credentials.py
index 7410cfc2e05ea..be94b2360ab66 100644
--- a/packages/google-auth/google/oauth2/gdch_credentials.py
+++ b/packages/google-auth/google/oauth2/gdch_credentials.py
@@ -12,19 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Experimental GDCH credentials support.
-"""
+"""Experimental GDCH credentials support."""
 
 import datetime
 
-from google.auth import _helpers
-from google.auth import _service_account_info
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import jwt
+from google.auth import _helpers, _service_account_info, credentials, exceptions, jwt
 from google.oauth2 import _client
 
-
 TOKEN_EXCHANGE_TYPE = "urn:ietf:params:oauth:token-type:token-exchange"
 ACCESS_TOKEN_TOKEN_TYPE = "urn:ietf:params:oauth:token-type:access_token"
 SERVICE_ACCOUNT_TOKEN_TYPE = "urn:k8s:params:oauth:token-type:serviceaccount"
diff --git a/packages/google-auth/google/oauth2/id_token.py b/packages/google-auth/google/oauth2/id_token.py
index 729d4376fe070..1cab9440a61ae 100644
--- a/packages/google-auth/google/oauth2/id_token.py
+++ b/packages/google-auth/google/oauth2/id_token.py
@@ -54,6 +54,7 @@
     http://openid.net/specs/openid-connect-core-1_0.html#IDToken
 .. _CacheControl: https://cachecontrol.readthedocs.io
 """
+
 from __future__ import annotations
 
 import http.client as http_client
@@ -61,11 +62,7 @@
 import os
 from typing import Any, Mapping, Union
 
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import jwt
-from google.auth import transport
-
+from google.auth import environment_vars, exceptions, jwt, transport
 
 # The URL that provides public certificates for verifying ID tokens issued
 # by Google's OAuth 2.0 authorization server.
diff --git a/packages/google-auth/google/oauth2/reauth.py b/packages/google-auth/google/oauth2/reauth.py
index abf691d58a640..270e3d5745b06 100644
--- a/packages/google-auth/google/oauth2/reauth.py
+++ b/packages/google-auth/google/oauth2/reauth.py
@@ -34,11 +34,8 @@
 
 import sys
 
-from google.auth import exceptions
-from google.auth import metrics
-from google.oauth2 import _client
-from google.oauth2 import challenges
-
+from google.auth import exceptions, metrics
+from google.oauth2 import _client, challenges
 
 _REAUTH_SCOPE = "https://www.googleapis.com/auth/accounts.reauth"
 _REAUTH_API = "https://reauth.googleapis.com/v2/sessions"
diff --git a/packages/google-auth/google/oauth2/service_account.py b/packages/google-auth/google/oauth2/service_account.py
index 0abc78b5000d3..6744e6f14d9b9 100644
--- a/packages/google-auth/google/oauth2/service_account.py
+++ b/packages/google-auth/google/oauth2/service_account.py
@@ -73,17 +73,18 @@
 import copy
 import datetime
 import logging
-from typing import Optional, TYPE_CHECKING
-
-
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import _service_account_info
-from google.auth import credentials
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import jwt
-from google.auth import metrics
+from typing import TYPE_CHECKING, Optional
+
+from google.auth import (
+    _helpers,
+    _regional_access_boundary_utils,
+    _service_account_info,
+    credentials,
+    exceptions,
+    iam,
+    jwt,
+    metrics,
+)
 from google.oauth2 import _client
 
 if TYPE_CHECKING:  # pragma: NO COVER
@@ -504,7 +505,8 @@ def _create_self_signed_jwt(self, audience):
             )
 
     def _build_regional_access_boundary_lookup_url(
-        self, request: "Optional[google.auth.transport.Request]" = None  # noqa: F821
+        self,
+        request: "Optional[google.auth.transport.Request]" = None,  # noqa: F821
     ):
         """Builds and returns the URL for the Regional Access Boundary lookup API.
 
diff --git a/packages/google-auth/google/oauth2/sts.py b/packages/google-auth/google/oauth2/sts.py
index 60d6f83c4d9f2..a48db0a4580b4 100644
--- a/packages/google-auth/google/oauth2/sts.py
+++ b/packages/google-auth/google/oauth2/sts.py
@@ -37,7 +37,6 @@
 
 from google.oauth2 import utils
 
-
 _URLENCODED_HEADERS = {"Content-Type": "application/x-www-form-urlencoded"}
 
 
diff --git a/packages/google-auth/google/oauth2/webauthn_types.py b/packages/google-auth/google/oauth2/webauthn_types.py
index 24e984f3d3363..d69566ec6b77a 100644
--- a/packages/google-auth/google/oauth2/webauthn_types.py
+++ b/packages/google-auth/google/oauth2/webauthn_types.py
@@ -1,5 +1,5 @@
-from dataclasses import dataclass
 import json
+from dataclasses import dataclass
 from typing import Any, Dict, List, Optional
 
 from google.auth import exceptions
diff --git a/packages/google-auth/noxfile.py b/packages/google-auth/noxfile.py
index 86a31f3b46607..0f0654a4ddaec 100644
--- a/packages/google-auth/noxfile.py
+++ b/packages/google-auth/noxfile.py
@@ -83,15 +83,29 @@
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def lint(session):
-    session.install(
-        "flake8", "flake8-import-order", "docutils", CLICK_VERSION, BLACK_VERSION
-    )
+    session.install("setuptools", "flake8", "docutils", CLICK_VERSION, RUFF_VERSION)
     session.install("-e", ".")
-    session.run("black", "--check", *BLACK_PATHS)
+    # 1. Check imports
+    session.run(
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
+        *BLACK_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
+        "--check",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
+        *BLACK_PATHS,
+    )
     session.run(
         "flake8",
-        "--import-order-style=google",
-        "--application-import-names=google,tests,system_tests",
         "google",
         "tests",
         "tests_async",
diff --git a/packages/google-auth/tests/compute_engine/test__metadata.py b/packages/google-auth/tests/compute_engine/test__metadata.py
index 0fae4bd6ef163..0b151722af078 100644
--- a/packages/google-auth/tests/compute_engine/test__metadata.py
+++ b/packages/google-auth/tests/compute_engine/test__metadata.py
@@ -22,10 +22,7 @@
 import pytest  # type: ignore
 import requests
 
-from google.auth import _helpers
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, environment_vars, exceptions, transport
 from google.auth.compute_engine import _metadata
 from google.auth.transport import requests as google_auth_requests
 
diff --git a/packages/google-auth/tests/compute_engine/test_credentials.py b/packages/google-auth/tests/compute_engine/test_credentials.py
index ab171c5a60414..6e30d8807bf33 100644
--- a/packages/google-auth/tests/compute_engine/test_credentials.py
+++ b/packages/google-auth/tests/compute_engine/test_credentials.py
@@ -19,10 +19,7 @@
 import pytest  # type: ignore
 import responses  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import jwt
-from google.auth import transport
+from google.auth import _helpers, exceptions, jwt, transport
 from google.auth.compute_engine import credentials
 from google.auth.transport import requests
 
diff --git a/packages/google-auth/tests/crypt/test__cryptography_rsa.py b/packages/google-auth/tests/crypt/test__cryptography_rsa.py
index 7f5406b626a65..ee57b7e1a4186 100644
--- a/packages/google-auth/tests/crypt/test__cryptography_rsa.py
+++ b/packages/google-auth/tests/crypt/test__cryptography_rsa.py
@@ -16,13 +16,11 @@
 import os
 import pickle
 
-from cryptography.hazmat.primitives.asymmetric import rsa
 import pytest  # type: ignore
+from cryptography.hazmat.primitives.asymmetric import rsa
 
 from google.auth import _helpers
-from google.auth.crypt import _cryptography_rsa
-from google.auth.crypt import base
-
+from google.auth.crypt import _cryptography_rsa, base
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
diff --git a/packages/google-auth/tests/crypt/test__python_rsa.py b/packages/google-auth/tests/crypt/test__python_rsa.py
index 7d0b651e33802..3b5478524145d 100644
--- a/packages/google-auth/tests/crypt/test__python_rsa.py
+++ b/packages/google-auth/tests/crypt/test__python_rsa.py
@@ -17,8 +17,8 @@
 import os
 from unittest import mock
 
-from pyasn1_modules import pem  # type: ignore
 import pytest  # type: ignore
+from pyasn1_modules import pem  # type: ignore
 
 try:
     import rsa
@@ -26,9 +26,7 @@
     pytest.skip("rsa module not available", allow_module_level=True)
 
 from google.auth import _helpers
-from google.auth.crypt import _python_rsa
-from google.auth.crypt import base
-
+from google.auth.crypt import _python_rsa, base
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
diff --git a/packages/google-auth/tests/crypt/test_crypt.py b/packages/google-auth/tests/crypt/test_crypt.py
index e80502e9be592..dad9c4465cde2 100644
--- a/packages/google-auth/tests/crypt/test_crypt.py
+++ b/packages/google-auth/tests/crypt/test_crypt.py
@@ -16,7 +16,6 @@
 
 from google.auth import crypt
 
-
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
 # To generate privatekey.pem, privatekey.pub, and public_cert.pem:
diff --git a/packages/google-auth/tests/crypt/test_es.py b/packages/google-auth/tests/crypt/test_es.py
index fdbf9d2edfefd..2afcffa63bb42 100644
--- a/packages/google-auth/tests/crypt/test_es.py
+++ b/packages/google-auth/tests/crypt/test_es.py
@@ -17,13 +17,11 @@
 import os
 import pickle
 
-from cryptography.hazmat.primitives.asymmetric import ec
 import pytest  # type: ignore
+from cryptography.hazmat.primitives.asymmetric import ec
 
 from google.auth import _helpers
-from google.auth.crypt import base
-from google.auth.crypt import es
-
+from google.auth.crypt import base, es
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
diff --git a/packages/google-auth/tests/crypt/test_es256.py b/packages/google-auth/tests/crypt/test_es256.py
index fa5070f89d55d..a465beb4e7dab 100644
--- a/packages/google-auth/tests/crypt/test_es256.py
+++ b/packages/google-auth/tests/crypt/test_es256.py
@@ -17,13 +17,11 @@
 import os
 import pickle
 
-from cryptography.hazmat.primitives.asymmetric import ec
 import pytest  # type: ignore
+from cryptography.hazmat.primitives.asymmetric import ec
 
 from google.auth import _helpers
-from google.auth.crypt import base
-from google.auth.crypt import es256
-
+from google.auth.crypt import base, es256
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
diff --git a/packages/google-auth/tests/crypt/test_rsa.py b/packages/google-auth/tests/crypt/test_rsa.py
index a54beb7632cfd..26390a713d7e3 100644
--- a/packages/google-auth/tests/crypt/test_rsa.py
+++ b/packages/google-auth/tests/crypt/test_rsa.py
@@ -15,20 +15,19 @@
 import os
 from unittest import mock
 
+import pytest
 from cryptography.hazmat import backends
 from cryptography.hazmat.primitives import serialization
-import pytest
 
 try:
     import rsa as rsa_lib
+
     from google.auth.crypt import _python_rsa
 except ImportError:
     rsa_lib = None  # type: ignore
     _pyrhon_rsa = None  # type: ignore
 
-from google.auth.crypt import _cryptography_rsa
-from google.auth.crypt import rsa
-
+from google.auth.crypt import _cryptography_rsa, rsa
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
diff --git a/packages/google-auth/tests/oauth2/test__client.py b/packages/google-auth/tests/oauth2/test__client.py
index 0d17b33178565..7ccac8a4dafa9 100644
--- a/packages/google-auth/tests/oauth2/test__client.py
+++ b/packages/google-auth/tests/oauth2/test__client.py
@@ -16,20 +16,14 @@
 import http.client as http_client
 import json
 import os
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import crypt
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import jwt
-from google.auth import transport
+from google.auth import _helpers, crypt, exceptions, iam, jwt, transport
 from google.oauth2 import _client
 
-
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
 with open(os.path.join(DATA_DIR, "privatekey.pem"), "rb") as fh:
diff --git a/packages/google-auth/tests/oauth2/test_credentials.py b/packages/google-auth/tests/oauth2/test_credentials.py
index 43df9b3a0cc4e..fc36f911bad98 100644
--- a/packages/google-auth/tests/oauth2/test_credentials.py
+++ b/packages/google-auth/tests/oauth2/test_credentials.py
@@ -21,13 +21,10 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, exceptions, transport
 from google.auth.credentials import TokenState
 from google.oauth2 import credentials
 
-
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
 AUTH_USER_JSON_FILE = os.path.join(DATA_DIR, "authorized_user.json")
diff --git a/packages/google-auth/tests/oauth2/test_gdch_credentials.py b/packages/google-auth/tests/oauth2/test_gdch_credentials.py
index b889744e60bad..e147401c84924 100644
--- a/packages/google-auth/tests/oauth2/test_gdch_credentials.py
+++ b/packages/google-auth/tests/oauth2/test_gdch_credentials.py
@@ -21,9 +21,8 @@
 import pytest  # type: ignore
 import requests
 
-from google.auth import exceptions
-from google.auth import jwt
 import google.auth.transport.requests
+from google.auth import exceptions, jwt
 from google.oauth2 import gdch_credentials
 from google.oauth2.gdch_credentials import ServiceAccountCredentials
 
diff --git a/packages/google-auth/tests/oauth2/test_id_token.py b/packages/google-auth/tests/oauth2/test_id_token.py
index 09e0a6c884038..456ca58b89f64 100644
--- a/packages/google-auth/tests/oauth2/test_id_token.py
+++ b/packages/google-auth/tests/oauth2/test_id_token.py
@@ -18,12 +18,13 @@
 
 import pytest  # type: ignore
 
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import impersonated_credentials
-from google.auth import transport
-from google.oauth2 import id_token
-from google.oauth2 import service_account
+from google.auth import (
+    environment_vars,
+    exceptions,
+    impersonated_credentials,
+    transport,
+)
+from google.oauth2 import id_token, service_account
 
 SERVICE_ACCOUNT_FILE = os.path.join(
     os.path.dirname(__file__), "../data/service_account.json"
diff --git a/packages/google-auth/tests/oauth2/test_reauth.py b/packages/google-auth/tests/oauth2/test_reauth.py
index 0949def39528a..74cf6d9443f2e 100644
--- a/packages/google-auth/tests/oauth2/test_reauth.py
+++ b/packages/google-auth/tests/oauth2/test_reauth.py
@@ -20,7 +20,6 @@
 from google.auth import exceptions
 from google.oauth2 import reauth
 
-
 MOCK_REQUEST = mock.Mock()
 CHALLENGES_RESPONSE_TEMPLATE = {
     "status": "CHALLENGE_REQUIRED",
diff --git a/packages/google-auth/tests/oauth2/test_service_account.py b/packages/google-auth/tests/oauth2/test_service_account.py
index 9573aad7e970b..84074ec37b9a1 100644
--- a/packages/google-auth/tests/oauth2/test_service_account.py
+++ b/packages/google-auth/tests/oauth2/test_service_account.py
@@ -19,16 +19,10 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import crypt
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import jwt
-from google.auth import transport
+from google.auth import _helpers, crypt, exceptions, iam, jwt, transport
 from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
 from google.oauth2 import service_account
 
-
 DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "data")
 
 with open(os.path.join(DATA_DIR, "privatekey.pem"), "rb") as fh:
diff --git a/packages/google-auth/tests/oauth2/test_sts.py b/packages/google-auth/tests/oauth2/test_sts.py
index 5d0f557e3c843..acbe485f3d2f7 100644
--- a/packages/google-auth/tests/oauth2/test_sts.py
+++ b/packages/google-auth/tests/oauth2/test_sts.py
@@ -14,15 +14,13 @@
 
 import http.client as http_client
 import json
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import exceptions
-from google.auth import transport
-from google.oauth2 import sts
-from google.oauth2 import utils
+from google.auth import exceptions, transport
+from google.oauth2 import sts, utils
 
 CLIENT_ID = "username"
 CLIENT_SECRET = "password"
diff --git a/packages/google-auth/tests/oauth2/test_utils.py b/packages/google-auth/tests/oauth2/test_utils.py
index 543a693a98bfe..ea845aa6046a4 100644
--- a/packages/google-auth/tests/oauth2/test_utils.py
+++ b/packages/google-auth/tests/oauth2/test_utils.py
@@ -19,7 +19,6 @@
 from google.auth import exceptions
 from google.oauth2 import utils
 
-
 CLIENT_ID = "username"
 CLIENT_SECRET = "password"
 # Base64 encoding of "username:password"
diff --git a/packages/google-auth/tests/oauth2/test_webauthn_handler.py b/packages/google-auth/tests/oauth2/test_webauthn_handler.py
index 15261aa1647a8..0c92a24807b8c 100644
--- a/packages/google-auth/tests/oauth2/test_webauthn_handler.py
+++ b/packages/google-auth/tests/oauth2/test_webauthn_handler.py
@@ -5,8 +5,7 @@
 import pytest  # type: ignore
 
 from google.auth import exceptions
-from google.oauth2 import webauthn_handler
-from google.oauth2 import webauthn_types
+from google.oauth2 import webauthn_handler, webauthn_types
 
 
 @pytest.fixture
diff --git a/packages/google-auth/tests/oauth2/test_webauthn_handler_factory.py b/packages/google-auth/tests/oauth2/test_webauthn_handler_factory.py
index 1323de9096f9f..52e21cd450201 100644
--- a/packages/google-auth/tests/oauth2/test_webauthn_handler_factory.py
+++ b/packages/google-auth/tests/oauth2/test_webauthn_handler_factory.py
@@ -2,8 +2,7 @@
 
 import pytest  # type: ignore
 
-from google.oauth2 import webauthn_handler
-from google.oauth2 import webauthn_handler_factory
+from google.oauth2 import webauthn_handler, webauthn_handler_factory
 
 
 @pytest.fixture
diff --git a/packages/google-auth/tests/test__cloud_sdk.py b/packages/google-auth/tests/test__cloud_sdk.py
index dd14bcebe5971..6865d0d9e76d5 100644
--- a/packages/google-auth/tests/test__cloud_sdk.py
+++ b/packages/google-auth/tests/test__cloud_sdk.py
@@ -21,10 +21,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _cloud_sdk
-from google.auth import environment_vars
-from google.auth import exceptions
-
+from google.auth import _cloud_sdk, environment_vars, exceptions
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 AUTHORIZED_USER_FILE = os.path.join(DATA_DIR, "authorized_user.json")
diff --git a/packages/google-auth/tests/test__default.py b/packages/google-auth/tests/test__default.py
index fa2de3b9084eb..f1a71143dda6b 100644
--- a/packages/google-auth/tests/test__default.py
+++ b/packages/google-auth/tests/test__default.py
@@ -15,28 +15,28 @@
 import json
 import os
 import sys
-from unittest import mock
 import warnings
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _default
-from google.auth import api_key
-from google.auth import app_engine
-from google.auth import aws
-from google.auth import compute_engine
-from google.auth import credentials
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import external_account
-from google.auth import external_account_authorized_user
-from google.auth import identity_pool
-from google.auth import impersonated_credentials
-from google.auth import pluggable
-from google.oauth2 import gdch_credentials
-from google.oauth2 import service_account
 import google.oauth2.credentials
-
+from google.auth import (
+    _default,
+    api_key,
+    app_engine,
+    aws,
+    compute_engine,
+    credentials,
+    environment_vars,
+    exceptions,
+    external_account,
+    external_account_authorized_user,
+    identity_pool,
+    impersonated_credentials,
+    pluggable,
+)
+from google.oauth2 import gdch_credentials, service_account
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 AUTHORIZED_USER_FILE = os.path.join(DATA_DIR, "authorized_user.json")
@@ -404,9 +404,9 @@ def test_load_credentials_from_file_impersonated_passing_scopes():
 def test_load_credentials_from_file_impersonated_wrong_target_principal(tmpdir):
     with open(IMPERSONATED_SERVICE_ACCOUNT_AUTHORIZED_USER_SOURCE_FILE) as fh:
         impersonated_credentials_info = json.load(fh)
-    impersonated_credentials_info[
-        "service_account_impersonation_url"
-    ] = "something_wrong"
+    impersonated_credentials_info["service_account_impersonation_url"] = (
+        "something_wrong"
+    )
 
     jsonfile = tmpdir.join("invalid.json")
     jsonfile.write(json.dumps(impersonated_credentials_info))
@@ -774,9 +774,9 @@ def test__get_gae_credentials_gen1(app_identity):
 
 @mock.patch.dict(os.environ)
 def test__get_gae_credentials_gen2():
-    os.environ[
-        "GAE_RUNTIME"
-    ] = f"python{sys.version_info.major}{sys.version_info.minor}"
+    os.environ["GAE_RUNTIME"] = (
+        f"python{sys.version_info.major}{sys.version_info.minor}"
+    )
     credentials, project_id = _default._get_gae_credentials()
     assert credentials is None
     assert project_id is None
diff --git a/packages/google-auth/tests/test__exponential_backoff.py b/packages/google-auth/tests/test__exponential_backoff.py
index 55cb918dbc012..1d8ebee8343ea 100644
--- a/packages/google-auth/tests/test__exponential_backoff.py
+++ b/packages/google-auth/tests/test__exponential_backoff.py
@@ -16,8 +16,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _exponential_backoff
-from google.auth import exceptions
+from google.auth import _exponential_backoff, exceptions
 
 
 @mock.patch("time.sleep", return_value=None)
diff --git a/packages/google-auth/tests/test__helpers.py b/packages/google-auth/tests/test__helpers.py
index e2d8e7b20c038..5755e2a357d24 100644
--- a/packages/google-auth/tests/test__helpers.py
+++ b/packages/google-auth/tests/test__helpers.py
@@ -15,8 +15,8 @@
 import datetime
 import json
 import logging
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
diff --git a/packages/google-auth/tests/test__oauth2client.py b/packages/google-auth/tests/test__oauth2client.py
index 26ed0e4edafe5..3e238a5b9da3d 100644
--- a/packages/google-auth/tests/test__oauth2client.py
+++ b/packages/google-auth/tests/test__oauth2client.py
@@ -32,7 +32,6 @@
 
 from google.auth import _oauth2client
 
-
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 SERVICE_ACCOUNT_JSON_FILE = os.path.join(DATA_DIR, "service_account.json")
 
diff --git a/packages/google-auth/tests/test__regional_access_boundary_utils.py b/packages/google-auth/tests/test__regional_access_boundary_utils.py
index 04fc5928ea83b..ae33cc4332630 100644
--- a/packages/google-auth/tests/test__regional_access_boundary_utils.py
+++ b/packages/google-auth/tests/test__regional_access_boundary_utils.py
@@ -18,10 +18,12 @@
 
 import pytest  # type: ignore
 
-from google.auth import _credentials_async
-from google.auth import _helpers
-from google.auth import _regional_access_boundary_utils
-from google.auth import credentials
+from google.auth import (
+    _credentials_async,
+    _helpers,
+    _regional_access_boundary_utils,
+    credentials,
+)
 from google.oauth2 import credentials as oauth2_credentials
 
 
diff --git a/packages/google-auth/tests/test__service_account_info.py b/packages/google-auth/tests/test__service_account_info.py
index 7e836861e4a73..b81e27879e6b3 100644
--- a/packages/google-auth/tests/test__service_account_info.py
+++ b/packages/google-auth/tests/test__service_account_info.py
@@ -17,9 +17,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _service_account_info
-from google.auth import crypt
-
+from google.auth import _service_account_info, crypt
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 SERVICE_ACCOUNT_JSON_FILE = os.path.join(DATA_DIR, "service_account.json")
diff --git a/packages/google-auth/tests/test_agent_identity_utils.py b/packages/google-auth/tests/test_agent_identity_utils.py
index 6b830e048412c..7448dfa7aa0b2 100644
--- a/packages/google-auth/tests/test_agent_identity_utils.py
+++ b/packages/google-auth/tests/test_agent_identity_utils.py
@@ -16,11 +16,11 @@
 import hashlib
 import json
 import os
-from unittest import mock
 import urllib.parse
+from unittest import mock
 
-from cryptography import x509
 import pytest
+from cryptography import x509
 
 from google.auth import _agent_identity_utils, environment_vars, exceptions
 
diff --git a/packages/google-auth/tests/test_aws.py b/packages/google-auth/tests/test_aws.py
index 8c09c5453f9f6..ccfd412f6cc94 100644
--- a/packages/google-auth/tests/test_aws.py
+++ b/packages/google-auth/tests/test_aws.py
@@ -16,16 +16,19 @@
 import http.client as http_client
 import json
 import os
-from unittest import mock
 import urllib.parse
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers, external_account
-from google.auth import aws
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import (
+    _helpers,
+    aws,
+    environment_vars,
+    exceptions,
+    external_account,
+    transport,
+)
 from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
 
 IMPERSONATE_ACCESS_TOKEN_REQUEST_METRICS_HEADER_VALUE = "gl-python/<python-version> auth/<library-version> auth-request-type/at cred-type/imp"
@@ -768,9 +771,11 @@ def make_serialized_aws_signed_request(
                 }
             )
         # Append x-goog-cloud-target-resource header.
-        reformatted_signed_request.get("headers").append(
-            {"key": "x-goog-cloud-target-resource", "value": AUDIENCE}
-        ),
+        (
+            reformatted_signed_request.get("headers").append(
+                {"key": "x-goog-cloud-target-resource", "value": AUDIENCE}
+            ),
+        )
         return urllib.parse.quote(
             json.dumps(
                 reformatted_signed_request, separators=(",", ":"), sort_keys=True
@@ -1364,9 +1369,9 @@ def test_retrieve_subject_token_success_temp_creds_no_environment_vars_idmsv2(
             imdsv2_session_token_data=self.AWS_IMDSV2_SESSION_TOKEN,
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
@@ -1470,9 +1475,9 @@ def test_retrieve_subject_token_success_temp_creds_environment_vars_missing_secr
             imdsv2_session_token_data=self.AWS_IMDSV2_SESSION_TOKEN,
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
@@ -1526,9 +1531,9 @@ def test_retrieve_subject_token_success_temp_creds_environment_vars_missing_acce
             imdsv2_session_token_data=self.AWS_IMDSV2_SESSION_TOKEN,
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
@@ -1576,9 +1581,9 @@ def test_retrieve_subject_token_success_temp_creds_environment_vars_missing_cred
             imdsv2_session_token_data=self.AWS_IMDSV2_SESSION_TOKEN,
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
@@ -1626,9 +1631,9 @@ def test_retrieve_subject_token_success_temp_creds_idmsv2(self, utcnow):
             role_status=http_client.OK, role_name=self.AWS_ROLE
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
@@ -1706,9 +1711,9 @@ def test_retrieve_subject_token_session_error_idmsv2(self, utcnow):
             imdsv2_session_token_data="unauthorized",
         )
         credential_source_token_url = self.CREDENTIAL_SOURCE.copy()
-        credential_source_token_url[
-            "imdsv2_session_token_url"
-        ] = IMDSV2_SESSION_TOKEN_URL
+        credential_source_token_url["imdsv2_session_token_url"] = (
+            IMDSV2_SESSION_TOKEN_URL
+        )
         credentials = self.make_credentials(
             credential_source=credential_source_token_url
         )
diff --git a/packages/google-auth/tests/test_credentials.py b/packages/google-auth/tests/test_credentials.py
index 24cbb98afd949..95c8f2455e0e1 100644
--- a/packages/google-auth/tests/test_credentials.py
+++ b/packages/google-auth/tests/test_credentials.py
@@ -17,8 +17,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import credentials
+from google.auth import _helpers, credentials
 
 
 class CredentialsImpl(credentials.CredentialsWithRegionalAccessBoundary):
diff --git a/packages/google-auth/tests/test_downscoped.py b/packages/google-auth/tests/test_downscoped.py
index 1982f3d8e53db..0607f65b028a0 100644
--- a/packages/google-auth/tests/test_downscoped.py
+++ b/packages/google-auth/tests/test_downscoped.py
@@ -15,19 +15,13 @@
 import datetime
 import http.client as http_client
 import json
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import downscoped
-from google.auth import exceptions
-from google.auth import transport
-from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
-from google.auth.credentials import TokenState
-
+from google.auth import _helpers, credentials, downscoped, exceptions, transport
+from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN, TokenState
 
 EXPRESSION = (
     "resource.name.startsWith('projects/_/buckets/example-bucket/objects/customer-a')"
diff --git a/packages/google-auth/tests/test_external_account.py b/packages/google-auth/tests/test_external_account.py
index a637a95cf1682..064fb564b4a00 100644
--- a/packages/google-auth/tests/test_external_account.py
+++ b/packages/google-auth/tests/test_external_account.py
@@ -15,17 +15,13 @@
 import datetime
 import http.client as http_client
 import json
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import external_account
-from google.auth import transport
-from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
-from google.auth.credentials import TokenState
+from google.auth import _helpers, exceptions, external_account, transport
+from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN, TokenState
 
 IMPERSONATE_ACCESS_TOKEN_REQUEST_METRICS_HEADER_VALUE = "gl-python/<python-version> auth/<library-version> auth-request-type/at cred-type/imp"
 LANG_LIBRARY_METRICS_HEADER_VALUE = "gl-python/<python-version> auth/<library-version>"
@@ -2397,10 +2393,11 @@ def test_invalid_configuration_raises_validation_error(self):
         )
 
     def test_before_request_multithreaded_lazy_initialization(self):
-        from google.auth import identity_pool
         import threading
         import time
 
+        from google.auth import identity_pool
+
         creds = identity_pool.Credentials(
             audience=self.AUDIENCE,
             subject_token_type=self.SUBJECT_TOKEN_TYPE,
diff --git a/packages/google-auth/tests/test_external_account_authorized_user.py b/packages/google-auth/tests/test_external_account_authorized_user.py
index 69a085e65df55..774485bec4438 100644
--- a/packages/google-auth/tests/test_external_account_authorized_user.py
+++ b/packages/google-auth/tests/test_external_account_authorized_user.py
@@ -19,9 +19,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import exceptions
-from google.auth import external_account_authorized_user
-from google.auth import transport
+from google.auth import exceptions, external_account_authorized_user, transport
 from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
 
 TOKEN_URL = "https://sts.googleapis.com/v1/token"
@@ -57,7 +55,7 @@ def make_credentials(
         token_info_url=TOKEN_INFO_URL,
         client_id=CLIENT_ID,
         client_secret=CLIENT_SECRET,
-        **kwargs
+        **kwargs,
     ):
         return external_account_authorized_user.Credentials(
             audience=audience,
@@ -66,7 +64,7 @@ def make_credentials(
             token_info_url=token_info_url,
             client_id=client_id,
             client_secret=client_secret,
-            **kwargs
+            **kwargs,
         )
 
     @classmethod
diff --git a/packages/google-auth/tests/test_iam.py b/packages/google-auth/tests/test_iam.py
index 26a4c825a7b35..51e045e9864d5 100644
--- a/packages/google-auth/tests/test_iam.py
+++ b/packages/google-auth/tests/test_iam.py
@@ -20,11 +20,8 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import iam
-from google.auth import transport
 import google.auth.credentials
+from google.auth import _helpers, exceptions, iam, transport
 
 
 def make_request(status, data=None):
diff --git a/packages/google-auth/tests/test_identity_pool.py b/packages/google-auth/tests/test_identity_pool.py
index 1138db284db7f..7d6a7c1b68d8e 100644
--- a/packages/google-auth/tests/test_identity_pool.py
+++ b/packages/google-auth/tests/test_identity_pool.py
@@ -17,18 +17,21 @@
 import http.client as http_client
 import json
 import os
-from unittest import mock
 import urllib
+from unittest import mock
 
+import pytest  # type: ignore
 from cryptography import x509
 from cryptography.hazmat.primitives import serialization
-import pytest  # type: ignore
 
-from google.auth import _helpers, external_account
-from google.auth import exceptions
-from google.auth import identity_pool
-from google.auth import metrics
-from google.auth import transport
+from google.auth import (
+    _helpers,
+    exceptions,
+    external_account,
+    identity_pool,
+    metrics,
+    transport,
+)
 from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
 
 CLIENT_ID = "username"
diff --git a/packages/google-auth/tests/test_impersonated_credentials.py b/packages/google-auth/tests/test_impersonated_credentials.py
index 215c68620aa05..2cfcbf150f860 100644
--- a/packages/google-auth/tests/test_impersonated_credentials.py
+++ b/packages/google-auth/tests/test_impersonated_credentials.py
@@ -21,14 +21,9 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import crypt
-from google.auth import exceptions
-from google.auth import impersonated_credentials
-from google.auth import transport
+from google.auth import _helpers, crypt, exceptions, impersonated_credentials, transport
 from google.auth.impersonated_credentials import Credentials
-from google.oauth2 import credentials
-from google.oauth2 import service_account
+from google.oauth2 import credentials, service_account
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "", "data")
 
@@ -967,7 +962,7 @@ def test_id_token_invalid_cred(
         with pytest.raises(exceptions.GoogleAuthError) as excinfo:
             impersonated_credentials.IDTokenCredentials(credentials)
 
-        assert excinfo.match("Provided Credential must be" " impersonated_credentials")
+        assert excinfo.match("Provided Credential must be impersonated_credentials")
 
     def test_id_token_with_include_email(
         self, mock_donor_credentials, mock_authorizedsession_idtoken
diff --git a/packages/google-auth/tests/test_jwt.py b/packages/google-auth/tests/test_jwt.py
index 8b90b0ecd093e..207648aa06fa5 100644
--- a/packages/google-auth/tests/test_jwt.py
+++ b/packages/google-auth/tests/test_jwt.py
@@ -20,11 +20,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import crypt
-from google.auth import exceptions
-from google.auth import jwt
-
+from google.auth import _helpers, crypt, exceptions, jwt
 
 DATA_DIR = os.path.join(os.path.dirname(__file__), "data")
 
diff --git a/packages/google-auth/tests/test_metrics.py b/packages/google-auth/tests/test_metrics.py
index dc8789b2fe346..31d4fd12f7d08 100644
--- a/packages/google-auth/tests/test_metrics.py
+++ b/packages/google-auth/tests/test_metrics.py
@@ -17,8 +17,7 @@
 
 import pytest
 
-from google.auth import metrics
-from google.auth import version
+from google.auth import metrics, version
 
 
 def test_add_metric_header():
diff --git a/packages/google-auth/tests/test_pluggable.py b/packages/google-auth/tests/test_pluggable.py
index b2764361bd5df..f02b48dc71d2f 100644
--- a/packages/google-auth/tests/test_pluggable.py
+++ b/packages/google-auth/tests/test_pluggable.py
@@ -19,8 +19,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import exceptions
-from google.auth import pluggable
+from google.auth import exceptions, pluggable
 from google.auth.credentials import DEFAULT_UNIVERSE_DOMAIN
 from tests.test__default import WORKFORCE_AUDIENCE
 
diff --git a/packages/google-auth/tests/transport/aio/test_aiohttp.py b/packages/google-auth/tests/transport/aio/test_aiohttp.py
index 49a98d669ae31..94dcc2473bedf 100644
--- a/packages/google-auth/tests/transport/aio/test_aiohttp.py
+++ b/packages/google-auth/tests/transport/aio/test_aiohttp.py
@@ -15,13 +15,13 @@
 import asyncio
 from unittest.mock import AsyncMock, Mock, patch
 
-from aioresponses import aioresponses  # type: ignore
 import pytest  # type: ignore
 import pytest_asyncio  # type: ignore
+from aioresponses import aioresponses  # type: ignore
 
+import google.auth.aio.transport.aiohttp as auth_aiohttp
 from google.auth import exceptions
 from google.auth.aio import _helpers as _helpers_async
-import google.auth.aio.transport.aiohttp as auth_aiohttp
 
 try:
     import aiohttp  # type: ignore
@@ -198,6 +198,7 @@ async def test_request_clone_closed_session_raises(self):
 
     async def test_request_clone_with_active_session(self):
         import ssl
+
         from aiohttp import BasicAuth, ClientTimeout, TCPConnector
 
         custom_ssl = ssl.create_default_context()
diff --git a/packages/google-auth/tests/transport/aio/test_sessions.py b/packages/google-auth/tests/transport/aio/test_sessions.py
index de283b7b2e7f6..250a31c852c45 100644
--- a/packages/google-auth/tests/transport/aio/test_sessions.py
+++ b/packages/google-auth/tests/transport/aio/test_sessions.py
@@ -16,8 +16,8 @@
 from typing import AsyncGenerator
 from unittest.mock import Mock, patch
 
-from aioresponses import aioresponses  # type: ignore
 import pytest  # type: ignore
+from aioresponses import aioresponses  # type: ignore
 
 from google.auth.aio.credentials import AnonymousCredentials
 from google.auth.aio.transport import (
diff --git a/packages/google-auth/tests/transport/aio/test_sessions_mtls.py b/packages/google-auth/tests/transport/aio/test_sessions_mtls.py
index b68766ca5b5d5..f3d7bd4ff7363 100644
--- a/packages/google-auth/tests/transport/aio/test_sessions_mtls.py
+++ b/packages/google-auth/tests/transport/aio/test_sessions_mtls.py
@@ -20,8 +20,7 @@
 import pytest
 
 from google.auth import exceptions
-from google.auth.aio import credentials
-from google.auth.aio import transport
+from google.auth.aio import credentials, transport
 from google.auth.aio.transport import sessions
 
 # This is the valid "workload" format the library expects
@@ -40,19 +39,22 @@ async def test_configure_mtls_channel(self):
         Tests that the mTLS channel configures correctly when a
         valid workload config is mocked.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context, mock.patch(
-            "aiohttp.TCPConnector"
-        ) as mock_connector, mock.patch(
-            "aiohttp.ClientSession"
-        ) as mock_session:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+            mock.patch("aiohttp.TCPConnector") as mock_connector,
+            mock.patch("aiohttp.ClientSession") as mock_session,
+        ):
             mock_session.return_value.close = mock.AsyncMock()
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data", b"fake_key_data")
@@ -78,9 +80,10 @@ async def test_configure_mtls_channel_disabled(self):
         """
         Tests behavior when the config file does not exist.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+        ):
             mock_exists.return_value = False
             mock_creds = mock.AsyncMock(spec=credentials.Credentials)
             session = sessions.AsyncAuthorizedSession(mock_creds)
@@ -93,10 +96,12 @@ async def test_configure_mtls_channel_invalid_format(self):
         """
         Verifies that the MutualTLSChannelError is raised for bad formats.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data='{"invalid": "format"}')
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open", mock.mock_open(read_data='{"invalid": "format"}')
+            ),
         ):
             mock_exists.return_value = True
             mock_creds = mock.AsyncMock(spec=credentials.Credentials)
@@ -111,10 +116,12 @@ async def test_configure_mtls_channel_invalud_fields(self):
         """
         If cert is missing expected keys, it should fail gracefully
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data='{"cert_configs": {}}')
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open", mock.mock_open(read_data='{"cert_configs": {}}')
+            ),
         ):
             mock_exists.return_value = True
             mock_creds = mock.AsyncMock(spec=credentials.Credentials)
@@ -132,18 +139,18 @@ async def test_configure_mtls_channel_mock_callback(self):
         def mock_callback():
             return (b"fake_cert_bytes", b"fake_key_bytes")
 
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch(
-            "google.auth.transport.mtls.has_default_client_cert_source",
-            return_value=True,
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context, mock.patch(
-            "aiohttp.TCPConnector"
-        ) as mock_connector, mock.patch(
-            "aiohttp.ClientSession"
-        ) as mock_session:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch(
+                "google.auth.transport.mtls.has_default_client_cert_source",
+                return_value=True,
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+            mock.patch("aiohttp.TCPConnector") as mock_connector,
+            mock.patch("aiohttp.ClientSession") as mock_session,
+        ):
             mock_session.return_value.close = mock.AsyncMock()
             mock_context = mock.Mock(spec=ssl.SSLContext)
             mock_make_context.return_value = mock_context
@@ -166,15 +173,20 @@ async def test_configure_mtls_channel_custom_request(self):
         """Tests that if _auth_request is not an AiohttpRequest, _is_mtls is set to False
         because we can't configure the custom request with mTLS.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+        ):
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data", b"fake_key_data")
 
@@ -202,15 +214,20 @@ async def test_configure_mtls_channel_exception_resets_flag(self):
         Tests that self._is_mtls is reset to False if an exception is raised
         during configuration.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+        ):
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data", b"fake_key_data")
             mock_make_context.side_effect = exceptions.ClientCertError("Mock error")
@@ -230,15 +247,20 @@ async def test_configure_mtls_channel_transport_error_resets_flag(self):
         Tests that self._is_mtls is reset to False if a TransportError is raised
         during configuration.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+        ):
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data", b"fake_key_data")
             mock_make_context.side_effect = exceptions.TransportError("Mock error")
@@ -259,19 +281,22 @@ async def test_configure_mtls_channel_atomic_on_exception(self):
         a subsequent attempt that raises an exception will preserve the original mTLS state.
         """
         # Step 1: Successful configuration
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context, mock.patch(
-            "aiohttp.TCPConnector"
-        ), mock.patch(
-            "aiohttp.ClientSession"
-        ) as mock_session:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+            mock.patch("aiohttp.TCPConnector"),
+            mock.patch("aiohttp.ClientSession") as mock_session,
+        ):
             mock_session.return_value.close = mock.AsyncMock()
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data_1", b"fake_key_data_1")
@@ -310,19 +335,22 @@ async def test_configure_mtls_channel_close_exception_does_not_abort(self):
         configuration is still considered successful, and is_mtls remains True
         without raising MutualTLSChannelError.
         """
-        with mock.patch.dict(
-            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}
-        ), mock.patch("os.path.exists") as mock_exists, mock.patch(
-            "builtins.open", mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG))
-        ), mock.patch(
-            "google.auth.aio.transport.mtls.get_client_cert_and_key"
-        ) as mock_helper, mock.patch(
-            "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
-        ) as mock_make_context, mock.patch(
-            "aiohttp.TCPConnector"
-        ), mock.patch(
-            "aiohttp.ClientSession"
-        ) as mock_session:
+        with (
+            mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}),
+            mock.patch("os.path.exists") as mock_exists,
+            mock.patch(
+                "builtins.open",
+                mock.mock_open(read_data=json.dumps(VALID_WORKLOAD_CONFIG)),
+            ),
+            mock.patch(
+                "google.auth.aio.transport.mtls.get_client_cert_and_key"
+            ) as mock_helper,
+            mock.patch(
+                "google.auth.aio.transport.mtls.make_client_cert_ssl_context"
+            ) as mock_make_context,
+            mock.patch("aiohttp.TCPConnector"),
+            mock.patch("aiohttp.ClientSession") as mock_session,
+        ):
             mock_session.return_value.close = mock.AsyncMock()
             mock_exists.return_value = True
             mock_helper.return_value = (True, b"fake_cert_data", b"fake_key_data")
diff --git a/packages/google-auth/tests/transport/test__custom_tls_signer.py b/packages/google-auth/tests/transport/test__custom_tls_signer.py
index fa210ee0b8d7a..ab0f36298fe8e 100644
--- a/packages/google-auth/tests/transport/test__custom_tls_signer.py
+++ b/packages/google-auth/tests/transport/test__custom_tls_signer.py
@@ -24,7 +24,6 @@
 from google.auth import exceptions
 from google.auth.transport import _custom_tls_signer
 
-
 FAKE_ENTERPRISE_CERT_FILE_PATH = "/path/to/enterprise/cert/file"
 ENTERPRISE_CERT_FILE = os.path.join(
     os.path.dirname(__file__), "../data/enterprise_cert_valid.json"
@@ -299,8 +298,9 @@ def test_cast_ssl_ctx_to_void_p_stdlib_unsupported_runtime_trace_refs():
     fake_impl = mock.Mock()
     fake_impl.name = "cpython"
 
-    with mock.patch("sys.implementation", fake_impl), mock.patch(
-        "sys.getobjects", create=True
+    with (
+        mock.patch("sys.implementation", fake_impl),
+        mock.patch("sys.getobjects", create=True),
     ):
         with pytest.raises(
             exceptions.MutualTLSChannelError,
@@ -320,8 +320,9 @@ def test_cast_ssl_ctx_to_void_p_stdlib_unsupported_runtime_debug_flag():
     context = ssl.SSLContext()
     fake_impl = mock.Mock()
     fake_impl.name = "cpython"
-    with mock.patch("sys.implementation", fake_impl), mock.patch(
-        "sysconfig.get_config_var", return_value=1
+    with (
+        mock.patch("sys.implementation", fake_impl),
+        mock.patch("sysconfig.get_config_var", return_value=1),
     ):
         with pytest.raises(
             exceptions.MutualTLSChannelError,
@@ -340,8 +341,9 @@ def mock_get_config_var(var):
 
     fake_impl = mock.Mock()
     fake_impl.name = "cpython"
-    with mock.patch("sys.implementation", fake_impl), mock.patch(
-        "sysconfig.get_config_var", side_effect=mock_get_config_var
+    with (
+        mock.patch("sys.implementation", fake_impl),
+        mock.patch("sysconfig.get_config_var", side_effect=mock_get_config_var),
     ):
         with pytest.raises(
             exceptions.MutualTLSChannelError,
diff --git a/packages/google-auth/tests/transport/test__http_client.py b/packages/google-auth/tests/transport/test__http_client.py
index 202276323c668..282cc0c280012 100644
--- a/packages/google-auth/tests/transport/test__http_client.py
+++ b/packages/google-auth/tests/transport/test__http_client.py
@@ -14,8 +14,8 @@
 
 import pytest  # type: ignore
 
-from google.auth import exceptions
 import google.auth.transport._http_client
+from google.auth import exceptions
 from tests.transport import compliance
 
 
diff --git a/packages/google-auth/tests/transport/test__mtls_helper.py b/packages/google-auth/tests/transport/test__mtls_helper.py
index e9bb62db21332..d1b035e889337 100644
--- a/packages/google-auth/tests/transport/test__mtls_helper.py
+++ b/packages/google-auth/tests/transport/test__mtls_helper.py
@@ -18,9 +18,9 @@
 import tempfile
 from unittest import mock
 
+import pytest  # type: ignore
 from cryptography.hazmat.primitives import hashes, serialization
 from cryptography.hazmat.primitives.asymmetric import ec
-import pytest  # type: ignore
 
 from google.auth import environment_vars, exceptions
 from google.auth.transport import _mtls_helper
@@ -548,9 +548,7 @@ def test_no_workload(self, mock_get_cert_config_path, mock_load_json_file):
         assert actual_cert is None
         assert actual_key is None
 
-    @mock.patch(
-        "google.auth.transport._mtls_helper._load_json_file", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper._load_json_file", autospec=True)  # noqa: E501
     @mock.patch(
         "google.auth.transport._mtls_helper._get_cert_config_path",
         autospec=True,
@@ -559,9 +557,7 @@ def test_no_workload(self, mock_get_cert_config_path, mock_load_json_file):
         "google.auth.transport._mtls_helper._read_cert_and_key_files",
         autospec=True,
     )  # noqa: E501
-    @mock.patch(
-        "google.auth.transport._mtls_helper.path.exists", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper.path.exists", autospec=True)  # noqa: E501
     def test_no_workload_fallback_to_home(
         self,
         mock_path_exists,
@@ -611,13 +607,9 @@ def load_json_side_effect(path):
         mock_load_json_file.assert_has_calls(
             [mock.call(ecp_path), mock.call(home_path)]
         )
-        mock_read_cert_and_key_files.assert_called_once_with(
-            "cert/path", "key/path"
-        )  # noqa: E501
+        mock_read_cert_and_key_files.assert_called_once_with("cert/path", "key/path")  # noqa: E501
 
-    @mock.patch(
-        "google.auth.transport._mtls_helper._load_json_file", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper._load_json_file", autospec=True)  # noqa: E501
     @mock.patch(
         "google.auth.transport._mtls_helper._get_cert_config_path",
         autospec=True,
@@ -626,9 +618,7 @@ def load_json_side_effect(path):
         "google.auth.transport._mtls_helper._read_cert_and_key_files",
         autospec=True,
     )  # noqa: E501
-    @mock.patch(
-        "google.auth.transport._mtls_helper.path.exists", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper.path.exists", autospec=True)  # noqa: E501
     def test_no_workload_fallback_to_home_error(
         self,
         mock_path_exists,
@@ -669,16 +659,12 @@ def load_json_side_effect(path):
         )
         mock_read_cert_and_key_files.assert_not_called()
 
-    @mock.patch(
-        "google.auth.transport._mtls_helper._load_json_file", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper._load_json_file", autospec=True)  # noqa: E501
     @mock.patch(
         "google.auth.transport._mtls_helper._get_cert_config_path",
         autospec=True,
     )
-    @mock.patch(
-        "google.auth.transport._mtls_helper.path.exists", autospec=True
-    )  # noqa: E501
+    @mock.patch("google.auth.transport._mtls_helper.path.exists", autospec=True)  # noqa: E501
     @mock.patch("os.path.normpath", autospec=True)
     def test_no_workload_fallback_avoided_same_path_normalization(
         self,
@@ -712,9 +698,7 @@ def normpath_side_effect(path):
             "google.auth._cloud_sdk.get_config_path",
             return_value="C:\\Users\\User\\.config\\gcloud",
         ):
-            actual_cert, actual_key = _mtls_helper._get_workload_cert_and_key(
-                None
-            )  # noqa: E501
+            actual_cert, actual_key = _mtls_helper._get_workload_cert_and_key(None)  # noqa: E501
 
         assert actual_cert is None
         assert actual_key is None
@@ -1302,8 +1286,9 @@ def test_memfd_success(self, mock_memfd_cm, mock_memfd_create):
         )
         mock_memfd_cm.return_value = mock_memfd_ctx
 
-        with mock.patch.object(os.path, "exists", return_value=True), mock.patch(
-            "builtins.open", mock.mock_open()
+        with (
+            mock.patch.object(os.path, "exists", return_value=True),
+            mock.patch("builtins.open", mock.mock_open()),
         ):
             with _mtls_helper.secure_cert_key_paths(
                 pytest.public_cert_bytes,
@@ -1368,9 +1353,10 @@ def test_falls_back_to_tempfile_when_filesystem_unreadable(
         )
         mock_tempfile_cm.return_value = mock_tempfile_ctx
 
-        with mock.patch.object(os.path, "exists", return_value=True), mock.patch(
-            "builtins.open", mock.mock_open()
-        ) as mock_open:
+        with (
+            mock.patch.object(os.path, "exists", return_value=True),
+            mock.patch("builtins.open", mock.mock_open()) as mock_open,
+        ):
             mock_open.side_effect = PermissionError("Permission denied")
 
             with _mtls_helper.secure_cert_key_paths(
diff --git a/packages/google-auth/tests/transport/test_grpc.py b/packages/google-auth/tests/transport/test_grpc.py
index 7979df7abb4dd..577bd3d179589 100644
--- a/packages/google-auth/tests/transport/test_grpc.py
+++ b/packages/google-auth/tests/transport/test_grpc.py
@@ -16,21 +16,18 @@
 import importlib
 import os
 import time
-from unittest import mock
 import warnings
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import credentials
-from google.auth import environment_vars
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, credentials, environment_vars, exceptions, transport
 from google.oauth2 import service_account
 
 try:
     # pylint: disable=ungrouped-imports
     import grpc  # type: ignore
+
     import google.auth.transport.grpc
 
     HAS_GRPC = True
@@ -657,15 +654,15 @@ def test_get_client_ssl_credentials_auto_enablement(
             None,
         )
 
-        with mock.patch.dict(
-            os.environ,
-            {
-                environment_vars.GOOGLE_API_CERTIFICATE_CONFIG: "fake_config_path.json",
-            },
-        ), mock.patch(
-            "builtins.open", mock.mock_open(read_data=fake_config_content)
-        ), mock.patch(
-            "os.path.exists", return_value=True
+        with (
+            mock.patch.dict(
+                os.environ,
+                {
+                    environment_vars.GOOGLE_API_CERTIFICATE_CONFIG: "fake_config_path.json",
+                },
+            ),
+            mock.patch("builtins.open", mock.mock_open(read_data=fake_config_content)),
+            mock.patch("os.path.exists", return_value=True),
         ):
             # Ensure mTLS explicit flags are not present in the environment
             os.environ.pop(environment_vars.GOOGLE_API_USE_CLIENT_CERTIFICATE, None)
diff --git a/packages/google-auth/tests/transport/test_mtls.py b/packages/google-auth/tests/transport/test_mtls.py
index ee108448fa726..7caf63861751f 100644
--- a/packages/google-auth/tests/transport/test_mtls.py
+++ b/packages/google-auth/tests/transport/test_mtls.py
@@ -19,8 +19,7 @@
 import pytest  # type: ignore
 
 from google.auth import exceptions
-from google.auth.transport import _mtls_helper
-from google.auth.transport import mtls
+from google.auth.transport import _mtls_helper, mtls
 
 
 @mock.patch("google.auth.transport._mtls_helper._get_cert_config_path")
diff --git a/packages/google-auth/tests/transport/test_requests.py b/packages/google-auth/tests/transport/test_requests.py
index 2ca1922494efd..bc1db48715f6a 100644
--- a/packages/google-auth/tests/transport/test_requests.py
+++ b/packages/google-auth/tests/transport/test_requests.py
@@ -23,12 +23,11 @@
 import requests
 import requests.adapters
 
-from google.auth import environment_vars
-from google.auth import exceptions
 import google.auth.credentials
 import google.auth.transport._custom_tls_signer
 import google.auth.transport._mtls_helper
 import google.auth.transport.requests
+from google.auth import environment_vars, exceptions
 from google.oauth2 import service_account
 from tests.transport import compliance
 
diff --git a/packages/google-auth/tests/transport/test_urllib3.py b/packages/google-auth/tests/transport/test_urllib3.py
index e1c92dbebc2cb..11e13837b02cd 100644
--- a/packages/google-auth/tests/transport/test_urllib3.py
+++ b/packages/google-auth/tests/transport/test_urllib3.py
@@ -19,11 +19,10 @@
 import pytest  # type: ignore
 import urllib3  # type: ignore
 
-from google.auth import environment_vars
-from google.auth import exceptions
 import google.auth.credentials
 import google.auth.transport._mtls_helper
 import google.auth.transport.urllib3
+from google.auth import environment_vars, exceptions
 from google.oauth2 import service_account
 from tests.transport import compliance
 
diff --git a/packages/google-auth/tests_async/oauth2/test__client_async.py b/packages/google-auth/tests_async/oauth2/test__client_async.py
index a3abd9067186d..c572c3e791add 100644
--- a/packages/google-auth/tests_async/oauth2/test__client_async.py
+++ b/packages/google-auth/tests_async/oauth2/test__client_async.py
@@ -16,14 +16,13 @@
 import datetime
 import http.client as http_client
 import json
-from unittest import mock
 import urllib
+from unittest import mock
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
+from google.auth import _helpers, exceptions
 from google.auth import _jwt_async as jwt
-from google.auth import exceptions
 from google.auth.aio import transport as aio_transport
 from google.oauth2 import _client as sync_client
 from google.oauth2 import _client_async as _client
diff --git a/packages/google-auth/tests_async/oauth2/test_credentials_async.py b/packages/google-auth/tests_async/oauth2/test_credentials_async.py
index d8bf82a0b59f6..7fbe76c028670 100644
--- a/packages/google-auth/tests_async/oauth2/test_credentials_async.py
+++ b/packages/google-auth/tests_async/oauth2/test_credentials_async.py
@@ -21,9 +21,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import exceptions
-from google.auth import transport
+from google.auth import _helpers, exceptions, transport
 from google.oauth2 import _credentials_async as _credentials_async
 from google.oauth2 import credentials
 from tests.oauth2 import test_credentials
diff --git a/packages/google-auth/tests_async/oauth2/test_id_token.py b/packages/google-auth/tests_async/oauth2/test_id_token.py
index 51d85daf2285d..22456c6bdaced 100644
--- a/packages/google-auth/tests_async/oauth2/test_id_token.py
+++ b/packages/google-auth/tests_async/oauth2/test_id_token.py
@@ -18,9 +18,8 @@
 
 import pytest  # type: ignore
 
-from google.auth import environment_vars
-from google.auth import exceptions
 import google.auth.compute_engine._metadata
+from google.auth import environment_vars, exceptions
 from google.oauth2 import _id_token_async as id_token
 from google.oauth2 import _service_account_async
 from google.oauth2 import id_token as sync_id_token
diff --git a/packages/google-auth/tests_async/oauth2/test_reauth_async.py b/packages/google-auth/tests_async/oauth2/test_reauth_async.py
index 4874a3728e2b9..9af5019dc0fc4 100644
--- a/packages/google-auth/tests_async/oauth2/test_reauth_async.py
+++ b/packages/google-auth/tests_async/oauth2/test_reauth_async.py
@@ -18,9 +18,7 @@
 import pytest  # type: ignore
 
 from google.auth import exceptions
-from google.oauth2 import _reauth_async
-from google.oauth2 import reauth
-
+from google.oauth2 import _reauth_async, reauth
 
 MOCK_REQUEST = mock.AsyncMock(spec=["transport.Request"])
 CHALLENGES_RESPONSE_TEMPLATE = {
diff --git a/packages/google-auth/tests_async/oauth2/test_service_account_async.py b/packages/google-auth/tests_async/oauth2/test_service_account_async.py
index 0539ecc80e13c..95b3d36bacc08 100644
--- a/packages/google-auth/tests_async/oauth2/test_service_account_async.py
+++ b/packages/google-auth/tests_async/oauth2/test_service_account_async.py
@@ -17,10 +17,7 @@
 
 import pytest  # type: ignore
 
-from google.auth import _helpers
-from google.auth import crypt
-from google.auth import jwt
-from google.auth import transport
+from google.auth import _helpers, crypt, jwt, transport
 from google.oauth2 import _service_account_async as service_account
 from tests.oauth2 import test_service_account
 
@@ -242,14 +239,17 @@ async def test_before_request_triggers_rab_refresh(self):
         request = mock.AsyncMock(spec=["transport.Request"])
         headers1 = {}
 
-        with mock.patch.object(
-            credentials,
-            "_lookup_regional_access_boundary",
-            new_callable=mock.AsyncMock,
-        ) as mock_lookup, mock.patch.object(
-            credentials,
-            "_is_regional_access_boundary_lookup_required",
-            return_value=True,
+        with (
+            mock.patch.object(
+                credentials,
+                "_lookup_regional_access_boundary",
+                new_callable=mock.AsyncMock,
+            ) as mock_lookup,
+            mock.patch.object(
+                credentials,
+                "_is_regional_access_boundary_lookup_required",
+                return_value=True,
+            ),
         ):
             mock_lookup.return_value = {
                 "locations": ["us-central1", "europe-west1"],
@@ -281,15 +281,18 @@ async def test_before_request_rab_refresh_failure_ignored(self):
         request = mock.AsyncMock(spec=["transport.Request"])
         headers = {}
 
-        with mock.patch.object(
-            credentials,
-            "_lookup_regional_access_boundary",
-            new_callable=mock.AsyncMock,
-            side_effect=Exception("Transport failed"),
-        ) as mock_lookup, mock.patch.object(
-            credentials,
-            "_is_regional_access_boundary_lookup_required",
-            return_value=True,
+        with (
+            mock.patch.object(
+                credentials,
+                "_lookup_regional_access_boundary",
+                new_callable=mock.AsyncMock,
+                side_effect=Exception("Transport failed"),
+            ) as mock_lookup,
+            mock.patch.object(
+                credentials,
+                "_is_regional_access_boundary_lookup_required",
+                return_value=True,
+            ),
         ):
             # Any transport/lookup failure must be caught gracefully during refresh.
             await credentials.before_request(
@@ -311,14 +314,17 @@ async def test_before_request_triggers_blocking_rab_refresh(self):
         request = mock.AsyncMock(spec=["transport.Request"])
         headers = {}
 
-        with mock.patch.object(
-            credentials,
-            "_lookup_regional_access_boundary",
-            new_callable=mock.AsyncMock,
-        ) as mock_lookup, mock.patch.object(
-            credentials,
-            "_is_regional_access_boundary_lookup_required",
-            return_value=True,
+        with (
+            mock.patch.object(
+                credentials,
+                "_lookup_regional_access_boundary",
+                new_callable=mock.AsyncMock,
+            ) as mock_lookup,
+            mock.patch.object(
+                credentials,
+                "_is_regional_access_boundary_lookup_required",
+                return_value=True,
+            ),
         ):
             mock_lookup.return_value = {
                 "locations": ["us-central1", "europe-west1"],
diff --git a/packages/google-auth/tests_async/test__default_async.py b/packages/google-auth/tests_async/test__default_async.py
index ebdd2c1b0184f..062b6fd160ec8 100644
--- a/packages/google-auth/tests_async/test__default_async.py
+++ b/packages/google-auth/tests_async/test__default_async.py
@@ -19,14 +19,11 @@
 
 import pytest  # type: ignore
 
+import google.oauth2.credentials
 from google.auth import _credentials_async as credentials
 from google.auth import _default_async as _default
-from google.auth import app_engine
-from google.auth import compute_engine
-from google.auth import environment_vars
-from google.auth import exceptions
+from google.auth import app_engine, compute_engine, environment_vars, exceptions
 from google.oauth2 import _service_account_async as service_account
-import google.oauth2.credentials
 from tests import test__default as test_default
 
 MOCK_CREDENTIALS = mock.Mock(spec=credentials.CredentialsWithQuotaProject)
@@ -307,9 +304,9 @@ def test__get_gae_credentials_gen1(app_identity):
 
 @mock.patch.dict(os.environ)
 def test__get_gae_credentials_gen2():
-    os.environ[
-        "GAE_RUNTIME"
-    ] = f"python{sys.version_info.major}{sys.version_info.minor}"
+    os.environ["GAE_RUNTIME"] = (
+        f"python{sys.version_info.major}{sys.version_info.minor}"
+    )
     credentials, project_id = _default._get_gae_credentials()
     assert credentials is None
     assert project_id is None
diff --git a/packages/google-auth/tests_async/test__regional_access_boundary_utils.py b/packages/google-auth/tests_async/test__regional_access_boundary_utils.py
index af8e17c6403c4..499bd16c4d4e9 100644
--- a/packages/google-auth/tests_async/test__regional_access_boundary_utils.py
+++ b/packages/google-auth/tests_async/test__regional_access_boundary_utils.py
@@ -56,7 +56,9 @@ async def test_async_refresh_manager_duplicate_refresh_prevented():
 
     async def controlled_lookup(*args, **kwargs):
         lookup_started.set()  # Signal that the background lookup has started.
-        await lookup_finish.wait()  # Block until the test allows the lookup to complete.
+        await (
+            lookup_finish.wait()
+        )  # Block until the test allows the lookup to complete.
         return {"encodedLocations": "0xA30"}
 
     credentials._lookup_regional_access_boundary.side_effect = controlled_lookup
diff --git a/packages/google-auth/tests_async/test_jwt_async.py b/packages/google-auth/tests_async/test_jwt_async.py
index 9e6054fa93efe..22ee7c26ff135 100644
--- a/packages/google-auth/tests_async/test_jwt_async.py
+++ b/packages/google-auth/tests_async/test_jwt_async.py
@@ -19,8 +19,7 @@
 import pytest  # type: ignore
 
 from google.auth import _jwt_async as jwt_async
-from google.auth import crypt
-from google.auth import exceptions
+from google.auth import crypt, exceptions
 from tests import test_jwt
 
 
diff --git a/packages/google-auth/tests_async/transport/test_aiohttp_requests.py b/packages/google-auth/tests_async/transport/test_aiohttp_requests.py
index 1dc5b0025edc5..2071bc589f12e 100644
--- a/packages/google-auth/tests_async/transport/test_aiohttp_requests.py
+++ b/packages/google-auth/tests_async/transport/test_aiohttp_requests.py
@@ -15,13 +15,13 @@
 from unittest import mock
 
 import aiohttp  # type: ignore
-from aioresponses import aioresponses, core  # type: ignore
 import pytest  # type: ignore
-from tests_async.transport import async_compliance
+from aioresponses import aioresponses, core  # type: ignore
 
 import google.auth._credentials_async
-from google.auth.transport import _aiohttp_requests as aiohttp_requests
 import google.auth.transport._mtls_helper
+from google.auth.transport import _aiohttp_requests as aiohttp_requests
+from tests_async.transport import async_compliance
 
 
 class TestCombinedResponse:
diff --git a/packages/google-cloud-dns/google/cloud/dns/zone.py b/packages/google-cloud-dns/google/cloud/dns/zone.py
index 01bc201f10150..e044ee0442d99 100644
--- a/packages/google-cloud-dns/google/cloud/dns/zone.py
+++ b/packages/google-cloud-dns/google/cloud/dns/zone.py
@@ -73,7 +73,7 @@ def from_api_repr(cls, resource, client):
         dns_name = resource.get("dnsName")
         if name is None or dns_name is None:
             raise KeyError(
-                "Resource lacks required identity information:" '["name"]["dnsName"]'
+                'Resource lacks required identity information:["name"]["dnsName"]'
             )
         zone = cls(name, dns_name, client=client)
         zone._set_properties(resource)
diff --git a/packages/google-cloud-dns/noxfile.py b/packages/google-cloud-dns/noxfile.py
index c7e04c73bc5a8..0c6507c42a5d4 100644
--- a/packages/google-cloud-dns/noxfile.py
+++ b/packages/google-cloud-dns/noxfile.py
@@ -107,10 +107,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "google", "tests")
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/config/block.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/config/block.py
index 2fbf97237a0c2..c6398d98cdb7a 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/config/block.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/config/block.py
@@ -72,6 +72,7 @@ class Block:
         page_number:
             Optional.
     """
+
     type_: Any = dataclasses.field(init=True, repr=False)
     text: str = dataclasses.field(init=True, repr=False)
     bounding_box: Optional[Union[SimpleNamespace, List[Any]]] = dataclasses.field(
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/converter.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/converter.py
index e87b6fb8bca6d..8de74c1080015 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/converter.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/converter.py
@@ -15,9 +15,9 @@
 #
 """Document.proto converters."""
 
-from concurrent import futures
 import os
 import time
+from concurrent import futures
 from typing import Dict, List, Optional, Set, Tuple
 
 from google.api_core.client_options import ClientOptions
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/vision_helpers.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/vision_helpers.py
index 77f1c08e7fac9..a312ca3fbf0d5 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/vision_helpers.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/converters/vision_helpers.py
@@ -18,6 +18,7 @@
 import dataclasses
 from typing import List
 
+import immutabledict
 from google.cloud.documentai import Document
 from google.cloud.vision import (
     AnnotateImageResponse,
@@ -30,7 +31,6 @@
     TextAnnotation,
     Word,
 )
-import immutabledict
 
 from google.cloud import vision
 from google.cloud.documentai_toolbox.constants import ElementWithLayout
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/utilities/gcs_utilities.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/utilities/gcs_utilities.py
index 3f2c8a487c22a..080ded94e66b6 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/utilities/gcs_utilities.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/utilities/gcs_utilities.py
@@ -14,15 +14,18 @@
 # limitations under the License.
 #
 """Google Cloud Storage utilities."""
+
 import os
 import re
 from typing import Dict, List, Optional, Tuple
 
 from google.api_core.gapic_v1 import client_info
 
-from google.cloud import documentai  # type: ignore[attr-defined]
-from google.cloud import documentai_toolbox
-from google.cloud import storage  # type: ignore[attr-defined]
+from google.cloud import (
+    documentai,  # type: ignore[attr-defined]
+    documentai_toolbox,
+    storage,  # type: ignore[attr-defined]
+)
 from google.cloud.documentai_toolbox import constants
 
 
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/document.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/document.py
index 6ef5200e7c710..d03e633597e27 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/document.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/document.py
@@ -18,10 +18,10 @@
 import collections
 import copy
 import dataclasses
-from functools import cached_property
 import glob
 import os
 import re
+from functools import cached_property
 from typing import Any, Dict, Iterable, Iterator, List, Optional, Type, Union
 
 from google.api_core.client_options import ClientOptions
diff --git a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/page.py b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/page.py
index 3dd9b9d68876b..fa2579087f804 100644
--- a/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/page.py
+++ b/packages/google-cloud-documentai-toolbox/google/cloud/documentai_toolbox/wrappers/page.py
@@ -15,8 +15,8 @@
 #
 """Wrappers for Document AI Page type."""
 
-from abc import ABC
 import dataclasses
+from abc import ABC
 from functools import cached_property
 from typing import Iterable, List, Optional, Type, TypeVar
 
diff --git a/packages/google-cloud-documentai-toolbox/noxfile.py b/packages/google-cloud-documentai-toolbox/noxfile.py
index 18a537cb9bdae..b6a7ae89ebcca 100644
--- a/packages/google-cloud-documentai-toolbox/noxfile.py
+++ b/packages/google-cloud-documentai-toolbox/noxfile.py
@@ -109,10 +109,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "google", "tests")
diff --git a/packages/google-cloud-documentai-toolbox/tests/unit/test_document.py b/packages/google-cloud-documentai-toolbox/tests/unit/test_document.py
index b9c7d448df1c1..9b7b77c0512a1 100644
--- a/packages/google-cloud-documentai-toolbox/tests/unit/test_document.py
+++ b/packages/google-cloud-documentai-toolbox/tests/unit/test_document.py
@@ -21,8 +21,8 @@
 from unittest import mock
 from xml.etree import ElementTree
 
-from google.cloud.vision import AnnotateFileResponse
 import pytest
+from google.cloud.vision import AnnotateFileResponse
 
 from google.cloud import documentai
 from google.cloud.documentai_toolbox import document, gcs_utilities
diff --git a/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/__init__.py b/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/__init__.py
index 3772e8f623e34..7eb65a1056315 100644
--- a/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/__init__.py
+++ b/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/__init__.py
@@ -14,7 +14,6 @@
 
 """Google Cloud Runtime Configurator API package."""
 
-
 from google.cloud.runtimeconfig import version as runtimeconfig_version
 
 __version__ = runtimeconfig_version.__version__
diff --git a/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/_http.py b/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/_http.py
index acd7188e31a54..dc77833bc5457 100644
--- a/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/_http.py
+++ b/packages/google-cloud-runtimeconfig/google/cloud/runtimeconfig/_http.py
@@ -15,7 +15,6 @@
 
 """Create / interact with Google Cloud RuntimeConfig connections."""
 
-
 from google.cloud import _http
 from google.cloud.runtimeconfig import __version__
 
diff --git a/packages/google-cloud-runtimeconfig/noxfile.py b/packages/google-cloud-runtimeconfig/noxfile.py
index 75f3c0a98e3f9..c8ddaaa120ef3 100644
--- a/packages/google-cloud-runtimeconfig/noxfile.py
+++ b/packages/google-cloud-runtimeconfig/noxfile.py
@@ -92,10 +92,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "google", "tests")
diff --git a/packages/google-cloud-testutils/noxfile.py b/packages/google-cloud-testutils/noxfile.py
index c7bde14d4e510..5a5809c9d7607 100644
--- a/packages/google-cloud-testutils/noxfile.py
+++ b/packages/google-cloud-testutils/noxfile.py
@@ -58,10 +58,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install("flake8", BLACK_VERSION)
+    session.install("flake8", RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
+        *BLACK_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
         *BLACK_PATHS,
     )
     session.run("flake8", *BLACK_PATHS)
diff --git a/packages/google-cloud-testutils/setup.py b/packages/google-cloud-testutils/setup.py
index f0def265cb199..c11ccac6c4f2c 100644
--- a/packages/google-cloud-testutils/setup.py
+++ b/packages/google-cloud-testutils/setup.py
@@ -15,6 +15,7 @@
 import io
 import os
 import re
+
 import setuptools  # type: ignore
 
 version = None
diff --git a/packages/google-cloud-testutils/test_utils/lower_bound_checker/lower_bound_checker.py b/packages/google-cloud-testutils/test_utils/lower_bound_checker/lower_bound_checker.py
index abd69196c1b6f..2294995f443c9 100644
--- a/packages/google-cloud-testutils/test_utils/lower_bound_checker/lower_bound_checker.py
+++ b/packages/google-cloud-testutils/test_utils/lower_bound_checker/lower_bound_checker.py
@@ -12,15 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import click
+import importlib.metadata as metadata
 from pathlib import Path
-from typing import List, Tuple, Set
+from typing import List, Set, Tuple
 
+import click
 from packaging.requirements import Requirement
 from packaging.version import Version
 
-import importlib.metadata as metadata
-
 
 def _get_package_requirements(package_name: str) -> List[Requirement]:
     """
diff --git a/packages/google-cloud-testutils/test_utils/orchestrate.py b/packages/google-cloud-testutils/test_utils/orchestrate.py
index 65e5464040a07..177780f8f6b4b 100644
--- a/packages/google-cloud-testutils/test_utils/orchestrate.py
+++ b/packages/google-cloud-testutils/test_utils/orchestrate.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 from __future__ import annotations
+
 import itertools
 import math
 import queue
diff --git a/packages/google-cloud-testutils/test_utils/prefixer.py b/packages/google-cloud-testutils/test_utils/prefixer.py
index 89d1e8e4423a4..ba8b211718198 100644
--- a/packages/google-cloud-testutils/test_utils/prefixer.py
+++ b/packages/google-cloud-testutils/test_utils/prefixer.py
@@ -15,7 +15,6 @@
 import datetime
 import random
 import re
-
 from typing import Union
 
 _RESOURCE_DATE_FORMAT = "%Y%m%d%H%M%S"
diff --git a/packages/google-cloud-testutils/test_utils/system.py b/packages/google-cloud-testutils/test_utils/system.py
index ed513be422bd4..f99b81bc964c5 100644
--- a/packages/google-cloud-testutils/test_utils/system.py
+++ b/packages/google-cloud-testutils/test_utils/system.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from __future__ import print_function
+
 import os
 import sys
 import time
@@ -20,7 +21,6 @@
 import google.auth.credentials  # type: ignore
 from google.auth.environment_vars import CREDENTIALS as TEST_CREDENTIALS  # type: ignore
 
-
 # From shell environ. May be None.
 CREDENTIALS = os.getenv(TEST_CREDENTIALS)
 
diff --git a/packages/google-cloud-testutils/test_utils/vpcsc_config.py b/packages/google-cloud-testutils/test_utils/vpcsc_config.py
index c5e36e767ce45..eaad96be85436 100644
--- a/packages/google-cloud-testutils/test_utils/vpcsc_config.py
+++ b/packages/google-cloud-testutils/test_utils/vpcsc_config.py
@@ -18,7 +18,6 @@
 
 import pytest  # type: ignore
 
-
 INSIDE_VPCSC_ENVVAR = "GOOGLE_CLOUD_TESTS_IN_VPCSC"
 PROJECT_INSIDE_ENVVAR = "PROJECT_ID"
 PROJECT_OUTSIDE_ENVVAR = "GOOGLE_CLOUD_TESTS_VPCSC_OUTSIDE_PERIMETER_PROJECT"
diff --git a/packages/google-crc32c/noxfile.py b/packages/google-crc32c/noxfile.py
index 2a268734c5b59..70f4ccdf44c97 100644
--- a/packages/google-crc32c/noxfile.py
+++ b/packages/google-crc32c/noxfile.py
@@ -94,10 +94,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{ALL_PYTHON[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", *LINT_PATHS)
diff --git a/packages/google-crc32c/src/google_crc32c/cext.py b/packages/google-crc32c/src/google_crc32c/cext.py
index 1ace01c481069..31895740fe751 100644
--- a/packages/google-crc32c/src/google_crc32c/cext.py
+++ b/packages/google-crc32c/src/google_crc32c/cext.py
@@ -16,8 +16,10 @@
 #       modify the search path used to locate shared libraries.
 import google_crc32c.__config__  # noqa: F401
 from google_crc32c._checksum import CommonChecksum
-from google_crc32c._crc32c import extend  # type: ignore
-from google_crc32c._crc32c import value  # type: ignore
+from google_crc32c._crc32c import (
+    extend,  # type: ignore
+    value,  # type: ignore
+)
 
 
 class Checksum(CommonChecksum):
diff --git a/packages/google-resumable-media/google/_async_resumable_media/__init__.py b/packages/google-resumable-media/google/_async_resumable_media/__init__.py
index eaade3e8792fe..f319f8ea6953e 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/__init__.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/__init__.py
@@ -42,13 +42,14 @@
 .. _pip: https://pip.pypa.io/
 """
 
-from google.resumable_media.common import DataCorruption
-from google.resumable_media.common import InvalidResponse
-from google.resumable_media.common import PERMANENT_REDIRECT
-from google.resumable_media.common import RetryStrategy
-from google.resumable_media.common import TOO_MANY_REQUESTS
-from google.resumable_media.common import UPLOAD_CHUNK_SIZE
-
+from google.resumable_media.common import (
+    PERMANENT_REDIRECT,
+    TOO_MANY_REQUESTS,
+    UPLOAD_CHUNK_SIZE,
+    DataCorruption,
+    InvalidResponse,
+    RetryStrategy,
+)
 
 __all__ = [
     "DataCorruption",
diff --git a/packages/google-resumable-media/google/_async_resumable_media/_download.py b/packages/google-resumable-media/google/_async_resumable_media/_download.py
index 1966f339c81c0..66eb34ae497bd 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/_download.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/_download.py
@@ -20,7 +20,6 @@
 from google._async_resumable_media import _helpers
 from google.resumable_media import common
 
-
 _CONTENT_RANGE_RE = re.compile(
     r"bytes (?P<start_byte>\d+)-(?P<end_byte>\d+)/(?P<total_bytes>\d+)",
     flags=re.IGNORECASE,
diff --git a/packages/google-resumable-media/google/_async_resumable_media/_helpers.py b/packages/google-resumable-media/google/_async_resumable_media/_helpers.py
index 8cf0f2e96acb4..2cd6f93db739e 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/_helpers.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/_helpers.py
@@ -18,10 +18,8 @@
 import random
 import time
 
-
 from google.resumable_media import common
 
-
 RANGE_HEADER = "range"
 CONTENT_RANGE_HEADER = "content-range"
 
diff --git a/packages/google-resumable-media/google/_async_resumable_media/_upload.py b/packages/google-resumable-media/google/_async_resumable_media/_upload.py
index 9f5b0de1b5392..65f261203917e 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/_upload.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/_upload.py
@@ -32,22 +32,20 @@
 from google.resumable_media import _helpers as sync_helpers
 from google.resumable_media import _upload as sync_upload
 from google.resumable_media import common
-
-
 from google.resumable_media._upload import (
-    _CONTENT_TYPE_HEADER,
-    _CONTENT_RANGE_TEMPLATE,
-    _RANGE_UNKNOWN_TEMPLATE,
-    _EMPTY_RANGE_TEMPLATE,
     _BOUNDARY_FORMAT,
-    _MULTIPART_SEP,
+    _BYTES_RANGE_RE,
+    _CONTENT_RANGE_TEMPLATE,
+    _CONTENT_TYPE_HEADER,
     _CRLF,
+    _EMPTY_RANGE_TEMPLATE,
     _MULTIPART_BEGIN,
-    _RELATED_HEADER,
-    _BYTES_RANGE_RE,
-    _STREAM_ERROR_TEMPLATE,
+    _MULTIPART_SEP,
     _POST,
     _PUT,
+    _RANGE_UNKNOWN_TEMPLATE,
+    _RELATED_HEADER,
+    _STREAM_ERROR_TEMPLATE,
     _UPLOAD_CHECKSUM_MISMATCH_MESSAGE,
     _UPLOAD_METADATA_NO_APPROPRIATE_CHECKSUM_MESSAGE,
 )
diff --git a/packages/google-resumable-media/google/_async_resumable_media/requests/__init__.py b/packages/google-resumable-media/google/_async_resumable_media/requests/__init__.py
index e6a6190c17f57..f028bc206f487 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/requests/__init__.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/requests/__init__.py
@@ -663,14 +663,17 @@ def SimpleUpload(*args, **kwargs):
    True
 """
 
-from google._async_resumable_media.requests.download import ChunkedDownload
-from google._async_resumable_media.requests.download import Download
-from google._async_resumable_media.requests.upload import MultipartUpload
-from google._async_resumable_media.requests.download import RawChunkedDownload
-from google._async_resumable_media.requests.download import RawDownload
-from google._async_resumable_media.requests.upload import ResumableUpload
-from google._async_resumable_media.requests.upload import SimpleUpload
-
+from google._async_resumable_media.requests.download import (
+    ChunkedDownload,
+    Download,
+    RawChunkedDownload,
+    RawDownload,
+)
+from google._async_resumable_media.requests.upload import (
+    MultipartUpload,
+    ResumableUpload,
+    SimpleUpload,
+)
 
 __all__ = [
     "ChunkedDownload",
diff --git a/packages/google-resumable-media/google/_async_resumable_media/requests/_request_helpers.py b/packages/google-resumable-media/google/_async_resumable_media/requests/_request_helpers.py
index cd9b9b85b3ef6..93c345c491ace 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/requests/_request_helpers.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/requests/_request_helpers.py
@@ -19,12 +19,12 @@
 
 import functools
 
+import aiohttp  # type: ignore
+from google.auth.transport import _aiohttp_requests as aiohttp_requests  # type: ignore
+
 from google._async_resumable_media import _helpers
 from google.resumable_media import common
 
-from google.auth.transport import _aiohttp_requests as aiohttp_requests  # type: ignore
-import aiohttp  # type: ignore
-
 _DEFAULT_RETRY_STRATEGY = common.RetryStrategy()
 _SINGLE_GET_CHUNK_SIZE = 8192
 
diff --git a/packages/google-resumable-media/google/_async_resumable_media/requests/download.py b/packages/google-resumable-media/google/_async_resumable_media/requests/download.py
index 490017cf2880e..4017804678e6f 100644
--- a/packages/google-resumable-media/google/_async_resumable_media/requests/download.py
+++ b/packages/google-resumable-media/google/_async_resumable_media/requests/download.py
@@ -14,14 +14,14 @@
 
 """Support for downloading media from Google APIs."""
 
-import urllib3.response  # type: ignore
 import http
 
-from google._async_resumable_media import _download
-from google._async_resumable_media import _helpers
+import urllib3.response  # type: ignore
+
+from google._async_resumable_media import _download, _helpers
 from google._async_resumable_media.requests import _request_helpers
-from google.resumable_media import common
 from google.resumable_media import _helpers as sync_helpers
+from google.resumable_media import common
 from google.resumable_media.requests import download
 
 _CHECKSUM_MISMATCH = download._CHECKSUM_MISMATCH
diff --git a/packages/google-resumable-media/google/resumable_media/__init__.py b/packages/google-resumable-media/google/resumable_media/__init__.py
index eaade3e8792fe..f319f8ea6953e 100644
--- a/packages/google-resumable-media/google/resumable_media/__init__.py
+++ b/packages/google-resumable-media/google/resumable_media/__init__.py
@@ -42,13 +42,14 @@
 .. _pip: https://pip.pypa.io/
 """
 
-from google.resumable_media.common import DataCorruption
-from google.resumable_media.common import InvalidResponse
-from google.resumable_media.common import PERMANENT_REDIRECT
-from google.resumable_media.common import RetryStrategy
-from google.resumable_media.common import TOO_MANY_REQUESTS
-from google.resumable_media.common import UPLOAD_CHUNK_SIZE
-
+from google.resumable_media.common import (
+    PERMANENT_REDIRECT,
+    TOO_MANY_REQUESTS,
+    UPLOAD_CHUNK_SIZE,
+    DataCorruption,
+    InvalidResponse,
+    RetryStrategy,
+)
 
 __all__ = [
     "DataCorruption",
diff --git a/packages/google-resumable-media/google/resumable_media/_download.py b/packages/google-resumable-media/google/resumable_media/_download.py
index 5ca41ba5422e5..5e9a8ad2226ba 100644
--- a/packages/google-resumable-media/google/resumable_media/_download.py
+++ b/packages/google-resumable-media/google/resumable_media/_download.py
@@ -17,9 +17,7 @@
 import http.client
 import re
 
-from google.resumable_media import _helpers
-from google.resumable_media import common
-
+from google.resumable_media import _helpers, common
 
 _CONTENT_RANGE_RE = re.compile(
     r"bytes (?P<start_byte>\d+)-(?P<end_byte>\d+)/(?P<total_bytes>\d+)",
diff --git a/packages/google-resumable-media/google/resumable_media/_helpers.py b/packages/google-resumable-media/google/resumable_media/_helpers.py
index e80d9909b6bfc..04cd6cc80b428 100644
--- a/packages/google-resumable-media/google/resumable_media/_helpers.py
+++ b/packages/google-resumable-media/google/resumable_media/_helpers.py
@@ -21,15 +21,10 @@
 import logging
 import random
 import warnings
-
-from urllib.parse import parse_qs
-from urllib.parse import urlencode
-from urllib.parse import urlsplit
-from urllib.parse import urlunsplit
+from urllib.parse import parse_qs, urlencode, urlsplit, urlunsplit
 
 from google.resumable_media import common
 
-
 RANGE_HEADER = "range"
 CONTENT_RANGE_HEADER = "content-range"
 CONTENT_ENCODING_HEADER = "content-encoding"
diff --git a/packages/google-resumable-media/google/resumable_media/_upload.py b/packages/google-resumable-media/google/resumable_media/_upload.py
index e176fb391d8c9..76509c0ded10c 100644
--- a/packages/google-resumable-media/google/resumable_media/_upload.py
+++ b/packages/google-resumable-media/google/resumable_media/_upload.py
@@ -28,13 +28,10 @@
 import re
 import sys
 import urllib.parse
-
-from google import resumable_media
-from google.resumable_media import _helpers
-from google.resumable_media import common
-
 from xml.etree import ElementTree
 
+from google import resumable_media
+from google.resumable_media import _helpers, common
 
 _CONTENT_TYPE_HEADER = "content-type"
 _CONTENT_RANGE_TEMPLATE = "bytes {:d}-{:d}/{:d}"
diff --git a/packages/google-resumable-media/google/resumable_media/requests/__init__.py b/packages/google-resumable-media/google/resumable_media/requests/__init__.py
index c46a02c4543c8..cbd1aede36ff4 100644
--- a/packages/google-resumable-media/google/resumable_media/requests/__init__.py
+++ b/packages/google-resumable-media/google/resumable_media/requests/__init__.py
@@ -663,15 +663,19 @@ def SimpleUpload(*args, **kwargs):
    True
 """
 
-from google.resumable_media.requests.download import ChunkedDownload
-from google.resumable_media.requests.download import Download
-from google.resumable_media.requests.upload import MultipartUpload
-from google.resumable_media.requests.download import RawChunkedDownload
-from google.resumable_media.requests.download import RawDownload
-from google.resumable_media.requests.upload import ResumableUpload
-from google.resumable_media.requests.upload import SimpleUpload
-from google.resumable_media.requests.upload import XMLMPUContainer
-from google.resumable_media.requests.upload import XMLMPUPart
+from google.resumable_media.requests.download import (
+    ChunkedDownload,
+    Download,
+    RawChunkedDownload,
+    RawDownload,
+)
+from google.resumable_media.requests.upload import (
+    MultipartUpload,
+    ResumableUpload,
+    SimpleUpload,
+    XMLMPUContainer,
+    XMLMPUPart,
+)
 
 __all__ = [
     "ChunkedDownload",
diff --git a/packages/google-resumable-media/google/resumable_media/requests/_request_helpers.py b/packages/google-resumable-media/google/resumable_media/requests/_request_helpers.py
index 051f0bae075d1..04b02ae895ae3 100644
--- a/packages/google-resumable-media/google/resumable_media/requests/_request_helpers.py
+++ b/packages/google-resumable-media/google/resumable_media/requests/_request_helpers.py
@@ -18,13 +18,12 @@
 """
 
 import http.client
+import time
+
 import requests.exceptions
 import urllib3.exceptions  # type: ignore
 
-import time
-
-from google.resumable_media import common
-from google.resumable_media import _helpers
+from google.resumable_media import _helpers, common
 
 _DEFAULT_RETRY_STRATEGY = common.RetryStrategy()
 _SINGLE_GET_CHUNK_SIZE = 8192
diff --git a/packages/google-resumable-media/google/resumable_media/requests/download.py b/packages/google-resumable-media/google/resumable_media/requests/download.py
index be017f549c277..990f369a02fb8 100644
--- a/packages/google-resumable-media/google/resumable_media/requests/download.py
+++ b/packages/google-resumable-media/google/resumable_media/requests/download.py
@@ -14,14 +14,12 @@
 
 """Support for downloading media from Google APIs."""
 
-import urllib3.response  # type: ignore
 import http
 
-from google.resumable_media import _download
-from google.resumable_media import common
-from google.resumable_media import _helpers
-from google.resumable_media.requests import _request_helpers
+import urllib3.response  # type: ignore
 
+from google.resumable_media import _download, _helpers, common
+from google.resumable_media.requests import _request_helpers
 
 _CHECKSUM_MISMATCH = """\
 Checksum mismatch while downloading:
diff --git a/packages/google-resumable-media/noxfile.py b/packages/google-resumable-media/noxfile.py
index 3dc0eb9222315..2f075f4a91c98 100644
--- a/packages/google-resumable-media/noxfile.py
+++ b/packages/google-resumable-media/noxfile.py
@@ -46,6 +46,7 @@
 nox.options.sessions = [
     "system",
     "blacken",
+    "format",
     "mypy",
     "doctest",
 ]
@@ -211,6 +212,20 @@ def lint(session):
         "tests_async",
     )
 
+    # 1. Check imports
+    session.run(
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        os.path.join("google", "resumable_media"),
+        "tests",
+        os.path.join("google", "_async_resumable_media"),
+        "tests_async",
+    )
+
     # 2. Check formatting
     session.run(
         "ruff",
@@ -253,6 +268,44 @@ def blacken(session):
     )
 
 
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def format(session):
+    """
+    Run ruff to sort imports and format code.
+    """
+    # 1. Install ruff (skipped automatically if you run with --no-venv)
+    session.install(RUFF_VERSION)
+
+    # 2. Run Ruff to fix imports
+    # check --select I: Enables strict import sorting
+    # --fix: Applies the changes automatically
+    session.run(
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        "--fix",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",  # Standard Black line length
+        os.path.join("google", "resumable_media"),
+        "tests",
+        os.path.join("google", "_async_resumable_media"),
+        "tests_async",
+    )
+
+    # 3. Run Ruff to format code
+    session.run(
+        "ruff",
+        "format",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",  # Standard Black line length
+        os.path.join("google", "resumable_media"),
+        "tests",
+        os.path.join("google", "_async_resumable_media"),
+        "tests_async",
+    )
+
+
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def mypy(session):
     """Verify type hints are mypy compatible."""
diff --git a/packages/google-resumable-media/tests/system/requests/test_download.py b/packages/google-resumable-media/tests/system/requests/test_download.py
index f0bd6c7e30e1d..5b9c3fcb9b72c 100644
--- a/packages/google-resumable-media/tests/system/requests/test_download.py
+++ b/packages/google-resumable-media/tests/system/requests/test_download.py
@@ -23,14 +23,12 @@
 import google.auth.transport.requests as tr_requests  # type: ignore
 import pytest  # type: ignore
 
-from google.resumable_media import common
 import google.resumable_media.requests as resumable_requests
-from google.resumable_media import _helpers
-from google.resumable_media.requests import _request_helpers
 import google.resumable_media.requests.download as download_mod
+from google.resumable_media import _helpers, common
+from google.resumable_media.requests import _request_helpers
 from tests.system import utils
 
-
 CURR_DIR = os.path.dirname(os.path.realpath(__file__))
 DATA_DIR = os.path.join(CURR_DIR, "..", "..", "data")
 PLAIN_TEXT = "text/plain"
diff --git a/packages/google-resumable-media/tests/system/requests/test_upload.py b/packages/google-resumable-media/tests/system/requests/test_upload.py
index 3f961bc4e7547..ecc2e6ecdcce0 100644
--- a/packages/google-resumable-media/tests/system/requests/test_upload.py
+++ b/packages/google-resumable-media/tests/system/requests/test_upload.py
@@ -18,17 +18,14 @@
 import io
 import os
 import urllib.parse
+from unittest import mock
 
 import pytest  # type: ignore
-from unittest import mock
 
-from google.resumable_media import common
-from google import resumable_media
 import google.resumable_media.requests as resumable_requests
-from google.resumable_media import _helpers
+from google import resumable_media
+from google.resumable_media import _helpers, _upload, common
 from tests.system import utils
-from google.resumable_media import _upload
-
 
 CURR_DIR = os.path.dirname(os.path.realpath(__file__))
 DATA_DIR = os.path.join(CURR_DIR, "..", "..", "data")
diff --git a/packages/google-resumable-media/tests/system/utils.py b/packages/google-resumable-media/tests/system/utils.py
index 7b679095dac65..1448059b72365 100644
--- a/packages/google-resumable-media/tests/system/utils.py
+++ b/packages/google-resumable-media/tests/system/utils.py
@@ -18,7 +18,6 @@
 
 from test_utils.retry import RetryResult  # type: ignore
 
-
 BUCKET_NAME = "grpm-systest-{}".format(int(1000 * time.time()))
 BUCKET_POST_URL = "https://www.googleapis.com/storage/v1/b/"
 BUCKET_URL = "https://www.googleapis.com/storage/v1/b/{}".format(BUCKET_NAME)
diff --git a/packages/google-resumable-media/tests/unit/requests/test__helpers.py b/packages/google-resumable-media/tests/unit/requests/test__helpers.py
index de85991ac9e40..36cbac34abda4 100644
--- a/packages/google-resumable-media/tests/unit/requests/test__helpers.py
+++ b/packages/google-resumable-media/tests/unit/requests/test__helpers.py
@@ -13,10 +13,9 @@
 # limitations under the License.
 
 import http.client
-
 from unittest import mock
-import pytest  # type: ignore
 
+import pytest  # type: ignore
 import requests.exceptions
 import urllib3.exceptions  # type: ignore
 
diff --git a/packages/google-resumable-media/tests/unit/requests/test_download.py b/packages/google-resumable-media/tests/unit/requests/test_download.py
index 57cb4ed29d7ce..6ec80c660818a 100644
--- a/packages/google-resumable-media/tests/unit/requests/test_download.py
+++ b/packages/google-resumable-media/tests/unit/requests/test_download.py
@@ -14,15 +14,13 @@
 
 import http.client
 import io
-
 from unittest import mock
+
 import pytest  # type: ignore
 
-from google.resumable_media import common
-from google.resumable_media import _helpers
-from google.resumable_media.requests import download as download_mod
+from google.resumable_media import _helpers, common
 from google.resumable_media.requests import _request_helpers
-
+from google.resumable_media.requests import download as download_mod
 
 URL_PREFIX = "https://www.googleapis.com/download/storage/v1/b/{BUCKET}/o/"
 EXAMPLE_URL = URL_PREFIX + "{OBJECT}?alt=media"
diff --git a/packages/google-resumable-media/tests/unit/requests/test_upload.py b/packages/google-resumable-media/tests/unit/requests/test_upload.py
index 18bc06d91d4f5..d890103760093 100644
--- a/packages/google-resumable-media/tests/unit/requests/test_upload.py
+++ b/packages/google-resumable-media/tests/unit/requests/test_upload.py
@@ -15,12 +15,12 @@
 import http.client
 import io
 import json
-import pytest  # type: ignore
 import tempfile
 from unittest import mock
 
-import google.resumable_media.requests.upload as upload_mod
+import pytest  # type: ignore
 
+import google.resumable_media.requests.upload as upload_mod
 
 URL_PREFIX = "https://www.googleapis.com/upload/storage/v1/b/{BUCKET}/o"
 SIMPLE_URL = URL_PREFIX + "?uploadType=media&name={OBJECT}"
diff --git a/packages/google-resumable-media/tests/unit/test__download.py b/packages/google-resumable-media/tests/unit/test__download.py
index 21a232eb04cd7..85909c0582f8b 100644
--- a/packages/google-resumable-media/tests/unit/test__download.py
+++ b/packages/google-resumable-media/tests/unit/test__download.py
@@ -14,13 +14,11 @@
 
 import http.client
 import io
-
 from unittest import mock
-import pytest  # type: ignore
 
-from google.resumable_media import _download
-from google.resumable_media import common
+import pytest  # type: ignore
 
+from google.resumable_media import _download, common
 
 EXAMPLE_URL = (
     "https://www.googleapis.com/download/storage/v1/b/{BUCKET}/o/{OBJECT}?alt=media"
diff --git a/packages/google-resumable-media/tests/unit/test__helpers.py b/packages/google-resumable-media/tests/unit/test__helpers.py
index 98cbc1f99684a..856088fc5f48e 100644
--- a/packages/google-resumable-media/tests/unit/test__helpers.py
+++ b/packages/google-resumable-media/tests/unit/test__helpers.py
@@ -16,12 +16,11 @@
 
 import hashlib
 import http.client
-
 from unittest import mock
+
 import pytest  # type: ignore
 
-from google.resumable_media import _helpers
-from google.resumable_media import common
+from google.resumable_media import _helpers, common
 
 
 def test_do_nothing():
diff --git a/packages/google-resumable-media/tests/unit/test__upload.py b/packages/google-resumable-media/tests/unit/test__upload.py
index 5e1da37d86aa4..7ee743a2c3229 100644
--- a/packages/google-resumable-media/tests/unit/test__upload.py
+++ b/packages/google-resumable-media/tests/unit/test__upload.py
@@ -16,14 +16,11 @@
 import io
 import sys
 import tempfile
-
 from unittest import mock
-import pytest  # type: ignore
 
-from google.resumable_media import _helpers
-from google.resumable_media import _upload
-from google.resumable_media import common
+import pytest  # type: ignore
 
+from google.resumable_media import _helpers, _upload, common
 
 URL_PREFIX = "https://www.googleapis.com/upload/storage/v1/b/{BUCKET}/o"
 SIMPLE_URL = URL_PREFIX + "?uploadType=media&name={OBJECT}"
diff --git a/packages/google-resumable-media/tests/unit/test_common.py b/packages/google-resumable-media/tests/unit/test_common.py
index d96840c17243d..8ca192ee1f3f2 100644
--- a/packages/google-resumable-media/tests/unit/test_common.py
+++ b/packages/google-resumable-media/tests/unit/test_common.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from unittest import mock
+
 import pytest  # type: ignore
 
 from google.resumable_media import common
diff --git a/packages/google-resumable-media/tests_async/system/requests/conftest.py b/packages/google-resumable-media/tests_async/system/requests/conftest.py
index 81c39df2ecfe6..f9acc483223e0 100644
--- a/packages/google-resumable-media/tests_async/system/requests/conftest.py
+++ b/packages/google-resumable-media/tests_async/system/requests/conftest.py
@@ -13,11 +13,11 @@
 # limitations under the License.
 """py.test fixtures to be shared across multiple system test modules."""
 
-from tests.system import utils
-
-from google.auth._default_async import default_async  # type: ignore
 import google.auth.transport._aiohttp_requests as tr_requests  # type: ignore
 import pytest  # type: ignore
+from google.auth._default_async import default_async  # type: ignore
+
+from tests.system import utils
 
 
 async def ensure_bucket(transport):
diff --git a/packages/google-resumable-media/tests_async/system/requests/test_download.py b/packages/google-resumable-media/tests_async/system/requests/test_download.py
index 483d8598698dc..5c5ac7d8582e8 100644
--- a/packages/google-resumable-media/tests_async/system/requests/test_download.py
+++ b/packages/google-resumable-media/tests_async/system/requests/test_download.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import asyncio
 import base64
 import copy
 import hashlib
@@ -19,19 +20,16 @@
 import io
 import os
 
-import asyncio
-from google.auth._default_async import default_async  # type: ignore
 import google.auth.transport._aiohttp_requests as tr_requests  # type: ignore
 import multidict  # type: ignore
 import pytest  # type: ignore
+from google.auth._default_async import default_async  # type: ignore
 
 import google._async_resumable_media.requests as resumable_requests
-from google.resumable_media import _helpers
 import google._async_resumable_media.requests.download as download_mod
-from google.resumable_media import common
+from google.resumable_media import _helpers, common
 from tests.system import utils
 
-
 CURR_DIR = os.path.dirname(os.path.realpath(__file__))
 DATA_DIR = os.path.join(CURR_DIR, "..", "..", "data")
 PLAIN_TEXT = "text/plain"
diff --git a/packages/google-resumable-media/tests_async/system/requests/test_upload.py b/packages/google-resumable-media/tests_async/system/requests/test_upload.py
index fb8ba51a6aa7b..d9acf412f33d2 100644
--- a/packages/google-resumable-media/tests_async/system/requests/test_upload.py
+++ b/packages/google-resumable-media/tests_async/system/requests/test_upload.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import asyncio
 import base64
 import hashlib
 import http.client
@@ -19,17 +20,14 @@
 import os
 import urllib.parse
 
-import asyncio
 import mock
 import pytest  # type: ignore
 
-from google.resumable_media import common
-from google import _async_resumable_media
 import google._async_resumable_media.requests as resumable_requests
-from google.resumable_media import _helpers
+from google import _async_resumable_media
+from google.resumable_media import _helpers, common
 from tests.system import utils
 
-
 CURR_DIR = os.path.dirname(os.path.realpath(__file__))
 DATA_DIR = os.path.join(CURR_DIR, "..", "..", "data")
 ICO_FILE = os.path.realpath(os.path.join(DATA_DIR, "favicon.ico"))
diff --git a/packages/google-resumable-media/tests_async/system/utils.py b/packages/google-resumable-media/tests_async/system/utils.py
index 620b2c99c1d38..25362c8a3965d 100644
--- a/packages/google-resumable-media/tests_async/system/utils.py
+++ b/packages/google-resumable-media/tests_async/system/utils.py
@@ -16,7 +16,6 @@
 import hashlib
 import time
 
-
 BUCKET_NAME = "grpm-systest-{}".format(int(1000 * time.time()))
 BUCKET_POST_URL = "https://www.googleapis.com/storage/v1/b/"
 BUCKET_URL = "https://www.googleapis.com/storage/v1/b/{}".format(BUCKET_NAME)
diff --git a/packages/google-resumable-media/tests_async/unit/requests/test_download.py b/packages/google-resumable-media/tests_async/unit/requests/test_download.py
index 16c23a49327ad..08e51109372b3 100644
--- a/packages/google-resumable-media/tests_async/unit/requests/test_download.py
+++ b/packages/google-resumable-media/tests_async/unit/requests/test_download.py
@@ -19,10 +19,9 @@
 import mock
 import pytest  # type: ignore
 
-
-from google.resumable_media import common
 from google._async_resumable_media import _helpers
 from google._async_resumable_media.requests import download as download_mod
+from google.resumable_media import common
 from tests.unit.requests import test_download as sync_test
 
 EXPECTED_TIMEOUT = aiohttp.ClientTimeout(
diff --git a/packages/google-resumable-media/tests_async/unit/test__download.py b/packages/google-resumable-media/tests_async/unit/test__download.py
index 8dfd13040a8e9..364e2069f3fe3 100644
--- a/packages/google-resumable-media/tests_async/unit/test__download.py
+++ b/packages/google-resumable-media/tests_async/unit/test__download.py
@@ -23,7 +23,6 @@
 from google.resumable_media import common
 from tests.unit import test__download as sync_test
 
-
 EXAMPLE_URL = sync_test.EXAMPLE_URL
 
 
diff --git a/packages/google-resumable-media/tests_async/unit/test__upload.py b/packages/google-resumable-media/tests_async/unit/test__upload.py
index 2f7d0e987c6eb..dbb113b0e887a 100644
--- a/packages/google-resumable-media/tests_async/unit/test__upload.py
+++ b/packages/google-resumable-media/tests_async/unit/test__upload.py
@@ -20,8 +20,8 @@
 import pytest  # type: ignore
 
 from google._async_resumable_media import _upload
-from google.resumable_media import common
 from google.resumable_media import _helpers as sync_helpers
+from google.resumable_media import common
 from tests.unit import test__upload as sync_test
 
 
diff --git a/packages/pandas-gbq/noxfile.py b/packages/pandas-gbq/noxfile.py
index 0021226416cd9..ca831333a5b25 100644
--- a/packages/pandas-gbq/noxfile.py
+++ b/packages/pandas-gbq/noxfile.py
@@ -136,10 +136,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install("flake8", BLACK_VERSION)
+    session.install("flake8", RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
     session.run("flake8", "pandas_gbq", "tests")
diff --git a/packages/pandas-gbq/pandas_gbq/core/biglake.py b/packages/pandas-gbq/pandas_gbq/core/biglake.py
index 63d868ee6c38c..339e4dd27fb18 100644
--- a/packages/pandas-gbq/pandas_gbq/core/biglake.py
+++ b/packages/pandas-gbq/pandas_gbq/core/biglake.py
@@ -69,9 +69,9 @@ def get_table_metadata(
             )
         )
     )
-    assert (
-        len(count_rows) == 1
-    ), "got unexpected query response when determining number of rows"
+    assert len(count_rows) == 1, (
+        "got unexpected query response when determining number of rows"
+    )
     total_rows = count_rows[0].total_rows
 
     return BigLakeTableMetadata(
diff --git a/packages/pandas-gbq/pandas_gbq/core/pandas.py b/packages/pandas-gbq/pandas_gbq/core/pandas.py
index aceaa29b5b919..f656e7a807187 100644
--- a/packages/pandas-gbq/pandas_gbq/core/pandas.py
+++ b/packages/pandas-gbq/pandas_gbq/core/pandas.py
@@ -3,9 +3,9 @@
 # license that can be found in the LICENSE file.
 
 import itertools
+import typing
 
 import pandas
-import typing
 
 
 def list_columns_and_indexes(dataframe, index=True):
diff --git a/packages/pandas-gbq/pandas_gbq/gbq.py b/packages/pandas-gbq/pandas_gbq/gbq.py
index ec6a7e9308aaf..09b40341860e2 100644
--- a/packages/pandas-gbq/pandas_gbq/gbq.py
+++ b/packages/pandas-gbq/pandas_gbq/gbq.py
@@ -66,7 +66,9 @@ def _test_google_api_imports():
         # This import is solely to test if the package is installed, so we ignore the "unused import" warning.
         # Remove this comment and the ignore pragma upon completing:
         # https://github.com/googleapis/google-cloud-python/issues/17045
-        from google_auth_oauthlib.flow import InstalledAppFlow  # type: ignore[import-untyped] # noqa: F401
+        from google_auth_oauthlib.flow import (  # type: ignore[import-untyped] # noqa: F401
+            InstalledAppFlow,
+        )
     except ImportError as ex:  # pragma: NO COVER
         raise ImportError("pandas-gbq requires google-auth-oauthlib") from ex
 
diff --git a/packages/pandas-gbq/pandas_gbq/gbq_connector.py b/packages/pandas-gbq/pandas_gbq/gbq_connector.py
index 68d5aaad5aa78..5298a2dd58418 100644
--- a/packages/pandas-gbq/pandas_gbq/gbq_connector.py
+++ b/packages/pandas-gbq/pandas_gbq/gbq_connector.py
@@ -190,8 +190,7 @@ def run_query(
 
         job_config_dict = {
             "query": {
-                "useLegacySql": self.dialect
-                == "legacy"
+                "useLegacySql": self.dialect == "legacy"
                 # 'allowLargeResults', 'createDisposition',
                 # 'preserveNulls', destinationTable, useQueryCache
             }
diff --git a/packages/pandas-gbq/tests/system/conftest.py b/packages/pandas-gbq/tests/system/conftest.py
index e6a4ec6844ea6..29ab096e417c3 100644
--- a/packages/pandas-gbq/tests/system/conftest.py
+++ b/packages/pandas-gbq/tests/system/conftest.py
@@ -149,9 +149,7 @@ def tokyo_table(bigquery_client, tokyo_dataset):
           2000 + CAST(18 * RAND() as INT64) as year,
           IF(RAND() > 0.5,"foo","bar") as token
         FROM UNNEST(GENERATE_ARRAY(0,5,1)) as r
-        """.format(
-            tokyo_dataset, table_id
-        ),
+        """.format(tokyo_dataset, table_id),
         location="asia-northeast1",
     ).result()
     return table_id
diff --git a/packages/pandas-gbq/tests/unit/test_arrow.py b/packages/pandas-gbq/tests/unit/test_arrow.py
index c4b55d5a12369..3b00ed7eed29c 100644
--- a/packages/pandas-gbq/tests/unit/test_arrow.py
+++ b/packages/pandas-gbq/tests/unit/test_arrow.py
@@ -1,9 +1,10 @@
 from unittest import mock
 
-import pandas_gbq.arrow
 import pyarrow as pa
 import pytest
 
+import pandas_gbq.arrow
+
 
 def test_from_read_rows_response_valid_message_returns_record_batch():
     schema = pa.schema([("id", pa.int64()), ("name", pa.string())])
diff --git a/packages/proto-plus/docs/conf.py b/packages/proto-plus/docs/conf.py
index bd3b28de7b315..5afaa8a82920e 100644
--- a/packages/proto-plus/docs/conf.py
+++ b/packages/proto-plus/docs/conf.py
@@ -17,7 +17,6 @@
 
 import proto
 
-
 sys.path.insert(0, os.path.abspath(".."))
 
 
diff --git a/packages/proto-plus/noxfile.py b/packages/proto-plus/noxfile.py
index 5f56955863c84..b506d1f042881 100644
--- a/packages/proto-plus/noxfile.py
+++ b/packages/proto-plus/noxfile.py
@@ -327,10 +327,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install("flake8", BLACK_VERSION)
+    session.install("flake8", RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
 
diff --git a/packages/proto-plus/proto/__init__.py b/packages/proto-plus/proto/__init__.py
index 8780991c0426b..85155a8c0a7bf 100644
--- a/packages/proto-plus/proto/__init__.py
+++ b/packages/proto-plus/proto/__init__.py
@@ -13,16 +13,13 @@
 # limitations under the License.
 
 from .enums import Enum
-from .fields import Field
-from .fields import MapField
-from .fields import RepeatedField
+from .fields import Field, MapField, RepeatedField
 from .marshal import Marshal
 from .message import Message
 from .modules import define_module as module
 from .primitives import ProtoType
 from .version import __version__
 
-
 DOUBLE = ProtoType.DOUBLE
 FLOAT = ProtoType.FLOAT
 INT64 = ProtoType.INT64
diff --git a/packages/proto-plus/proto/_file_info.py b/packages/proto-plus/proto/_file_info.py
index 537eeaf4556aa..6337a4792204d 100644
--- a/packages/proto-plus/proto/_file_info.py
+++ b/packages/proto-plus/proto/_file_info.py
@@ -16,10 +16,7 @@
 import inspect
 import logging
 
-from google.protobuf import descriptor_pb2
-from google.protobuf import descriptor_pool
-from google.protobuf import message
-from google.protobuf import reflection
+from google.protobuf import descriptor_pb2, descriptor_pool, message, reflection
 
 from proto.marshal.rules.message import MessageRule
 
diff --git a/packages/proto-plus/proto/datetime_helpers.py b/packages/proto-plus/proto/datetime_helpers.py
index d4cfaca6f83a7..2e2c561664445 100644
--- a/packages/proto-plus/proto/datetime_helpers.py
+++ b/packages/proto-plus/proto/datetime_helpers.py
@@ -19,7 +19,6 @@
 
 from google.protobuf import timestamp_pb2
 
-
 _UTC_EPOCH = datetime.datetime.fromtimestamp(0, datetime.timezone.utc)
 
 _RFC3339_MICROS = "%Y-%m-%dT%H:%M:%S.%fZ"
diff --git a/packages/proto-plus/proto/enums.py b/packages/proto-plus/proto/enums.py
index 6ddf63a2cce54..ab7e8b6e65f21 100644
--- a/packages/proto-plus/proto/enums.py
+++ b/packages/proto-plus/proto/enums.py
@@ -16,8 +16,7 @@
 
 from google.protobuf import descriptor_pb2
 
-from proto import _file_info
-from proto import _package_info
+from proto import _file_info, _package_info
 from proto.marshal.rules.enums import EnumRule
 
 
diff --git a/packages/proto-plus/proto/marshal/__init__.py b/packages/proto-plus/proto/marshal/__init__.py
index 621ea3695f931..2e9fdcd1cdfc3 100644
--- a/packages/proto-plus/proto/marshal/__init__.py
+++ b/packages/proto-plus/proto/marshal/__init__.py
@@ -14,5 +14,4 @@
 
 from .marshal import Marshal
 
-
 __all__ = ("Marshal",)
diff --git a/packages/proto-plus/proto/marshal/collections/__init__.py b/packages/proto-plus/proto/marshal/collections/__init__.py
index 4b80a546c26a5..70906b51a741b 100644
--- a/packages/proto-plus/proto/marshal/collections/__init__.py
+++ b/packages/proto-plus/proto/marshal/collections/__init__.py
@@ -13,9 +13,7 @@
 # limitations under the License.
 
 from .maps import MapComposite
-from .repeated import Repeated
-from .repeated import RepeatedComposite
-
+from .repeated import Repeated, RepeatedComposite
 
 __all__ = (
     "MapComposite",
diff --git a/packages/proto-plus/proto/marshal/rules/dates.py b/packages/proto-plus/proto/marshal/rules/dates.py
index a4b43043de08d..78abaab2e1dad 100644
--- a/packages/proto-plus/proto/marshal/rules/dates.py
+++ b/packages/proto-plus/proto/marshal/rules/dates.py
@@ -12,11 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from datetime import datetime
-from datetime import timedelta
+from datetime import datetime, timedelta
+
+from google.protobuf import duration_pb2, timestamp_pb2
 
-from google.protobuf import duration_pb2
-from google.protobuf import timestamp_pb2
 from proto import datetime_helpers
 
 
diff --git a/packages/proto-plus/proto/marshal/rules/enums.py b/packages/proto-plus/proto/marshal/rules/enums.py
index 9cfc312764b6a..cedec9dbf84a8 100644
--- a/packages/proto-plus/proto/marshal/rules/enums.py
+++ b/packages/proto-plus/proto/marshal/rules/enums.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import Type
 import enum
 import warnings
+from typing import Type
 
 
 class EnumRule:
diff --git a/packages/proto-plus/proto/marshal/rules/struct.py b/packages/proto-plus/proto/marshal/rules/struct.py
index 0e34587b26b19..802702cd4da80 100644
--- a/packages/proto-plus/proto/marshal/rules/struct.py
+++ b/packages/proto-plus/proto/marshal/rules/struct.py
@@ -16,8 +16,7 @@
 
 from google.protobuf import struct_pb2
 
-from proto.marshal.collections import maps
-from proto.marshal.collections import repeated
+from proto.marshal.collections import maps, repeated
 
 
 class ValueRule:
diff --git a/packages/proto-plus/proto/message.py b/packages/proto-plus/proto/message.py
index 1eb36a977faa0..1e5cd9cca6230 100644
--- a/packages/proto-plus/proto/message.py
+++ b/packages/proto-plus/proto/message.py
@@ -16,24 +16,19 @@
 import collections.abc
 import copy
 import re
-from typing import Any, Dict, List, Optional, Type
 import warnings
+from typing import Any, Dict, List, Optional, Type
 
 import google.protobuf
-from google.protobuf import descriptor_pb2
-from google.protobuf import message
+from google.protobuf import descriptor_pb2, message
 from google.protobuf.json_format import MessageToDict, MessageToJson, Parse
 
-from proto import _file_info
-from proto import _package_info
-from proto.fields import Field
-from proto.fields import MapField
-from proto.fields import RepeatedField
+from proto import _file_info, _package_info
+from proto.fields import Field, MapField, RepeatedField
 from proto.marshal import Marshal
 from proto.primitives import ProtoType
 from proto.utils import has_upb
 
-
 PROTOBUF_VERSION = google.protobuf.__version__
 
 # extract the major version code
diff --git a/packages/proto-plus/proto/modules.py b/packages/proto-plus/proto/modules.py
index 45864a937c589..4c5a3fa0e8280 100644
--- a/packages/proto-plus/proto/modules.py
+++ b/packages/proto-plus/proto/modules.py
@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import Set
 import collections
-
+from typing import Set
 
 _ProtoModule = collections.namedtuple(
     "ProtoModule",
diff --git a/packages/proto-plus/setup.py b/packages/proto-plus/setup.py
index 12e9ed26dcdf8..402eaafd62a7a 100644
--- a/packages/proto-plus/setup.py
+++ b/packages/proto-plus/setup.py
@@ -15,5 +15,4 @@
 
 from setuptools import setup
 
-
 setup()
diff --git a/packages/proto-plus/tests/conftest.py b/packages/proto-plus/tests/conftest.py
index 6caeb50d75c5d..14b8fe3b7d681 100644
--- a/packages/proto-plus/tests/conftest.py
+++ b/packages/proto-plus/tests/conftest.py
@@ -15,14 +15,10 @@
 import importlib
 from unittest import mock
 
-from google.protobuf import descriptor_pool
-from google.protobuf import message
-from google.protobuf import reflection
-from google.protobuf import symbol_database
+from google.protobuf import descriptor_pool, message, reflection, symbol_database
 
 from proto._file_info import _FileInfo
-from proto.marshal import Marshal
-from proto.marshal import rules
+from proto.marshal import Marshal, rules
 from proto.utils import has_upb
 
 
diff --git a/packages/proto-plus/tests/mollusc.py b/packages/proto-plus/tests/mollusc.py
index c92f161a406dc..88237ffe7f202 100644
--- a/packages/proto-plus/tests/mollusc.py
+++ b/packages/proto-plus/tests/mollusc.py
@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import proto
 import zone
 
+import proto
+
 __protobuf__ = proto.module(
     package="ocean.mollusc.v1",
     manifest={
diff --git a/packages/proto-plus/tests/test_datetime_helpers.py b/packages/proto-plus/tests/test_datetime_helpers.py
index 264b5296980a9..d7ec98136a26c 100644
--- a/packages/proto-plus/tests/test_datetime_helpers.py
+++ b/packages/proto-plus/tests/test_datetime_helpers.py
@@ -17,10 +17,9 @@
 
 import pytest
 import pytz
-
-from proto import datetime_helpers
 from google.protobuf import timestamp_pb2
 
+from proto import datetime_helpers
 
 ONE_MINUTE_IN_MICROSECONDS = 60 * 1e6
 
diff --git a/packages/proto-plus/tests/test_enum_total_ordering.py b/packages/proto-plus/tests/test_enum_total_ordering.py
index 584a1831c58ad..dd9aa87df4a42 100644
--- a/packages/proto-plus/tests/test_enum_total_ordering.py
+++ b/packages/proto-plus/tests/test_enum_total_ordering.py
@@ -12,9 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
-
 import enums_test
+import pytest
 
 
 def test_total_ordering_w_same_enum_type():
diff --git a/packages/proto-plus/tests/test_fields_enum.py b/packages/proto-plus/tests/test_fields_enum.py
index aa66dcfca4448..d5c994d1a7350 100644
--- a/packages/proto-plus/tests/test_fields_enum.py
+++ b/packages/proto-plus/tests/test_fields_enum.py
@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import proto
 import sys
 
+import proto
+
 
 def test_outer_enum_init():
     class Foo(proto.Message):
diff --git a/packages/proto-plus/tests/test_fields_mitigate_collision.py b/packages/proto-plus/tests/test_fields_mitigate_collision.py
index 07eac5ff7ce4c..d61c313d7af30 100644
--- a/packages/proto-plus/tests/test_fields_mitigate_collision.py
+++ b/packages/proto-plus/tests/test_fields_mitigate_collision.py
@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import proto
 import pytest
 
+import proto
+
 
 # Underscores may be appended to field names
 # that collide with python or proto-plus keywords.
diff --git a/packages/proto-plus/tests/test_fields_repeated_composite.py b/packages/proto-plus/tests/test_fields_repeated_composite.py
index bdb7e62d0f1a2..966fa88efa3ce 100644
--- a/packages/proto-plus/tests/test_fields_repeated_composite.py
+++ b/packages/proto-plus/tests/test_fields_repeated_composite.py
@@ -16,7 +16,6 @@
 from enum import Enum
 
 import pytest
-
 from google.protobuf import timestamp_pb2
 
 import proto
diff --git a/packages/proto-plus/tests/test_file_info_salting.py b/packages/proto-plus/tests/test_file_info_salting.py
index 4fce9105270ee..bdce86a189f67 100644
--- a/packages/proto-plus/tests/test_file_info_salting.py
+++ b/packages/proto-plus/tests/test_file_info_salting.py
@@ -15,9 +15,9 @@
 
 import collections
 
-import proto
 from google.protobuf import descriptor_pb2
 
+import proto
 from proto import _file_info, _package_info
 
 
diff --git a/packages/proto-plus/tests/test_file_info_salting_with_manifest.py b/packages/proto-plus/tests/test_file_info_salting_with_manifest.py
index 2d8f75eb48c7c..f61e18290e117 100644
--- a/packages/proto-plus/tests/test_file_info_salting_with_manifest.py
+++ b/packages/proto-plus/tests/test_file_info_salting_with_manifest.py
@@ -15,9 +15,9 @@
 
 import collections
 
-import proto
 from google.protobuf import descriptor_pb2
 
+import proto
 from proto import _file_info, _package_info
 
 PACKAGE = "a.test.package.salting.with.manifest"
diff --git a/packages/proto-plus/tests/test_json.py b/packages/proto-plus/tests/test_json.py
index b8c40ccff7cc6..e397195b045c4 100644
--- a/packages/proto-plus/tests/test_json.py
+++ b/packages/proto-plus/tests/test_json.py
@@ -12,12 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
 import re
 
-import proto
+import pytest
 from google.protobuf.json_format import ParseError
 
+import proto
+
 
 def test_message_to_json():
     class Squid(proto.Message):
@@ -257,8 +258,8 @@ class Squid(proto.Message):
     "expect_proto_7_plus", [True, False], ids=["proto >= 7", "proto <= 6"]
 )
 def test_json_float_precision(expect_proto_7_plus):
-    if ((expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) < 7)) or (
-        (not expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) >= 7)
+    if (expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) < 7) or (
+        not expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) >= 7
     ):
         pytest.skip("installed proto version does not match test")
 
diff --git a/packages/proto-plus/tests/test_marshal_register.py b/packages/proto-plus/tests/test_marshal_register.py
index 3ca1a2a88d73a..73c8e81a7f15d 100644
--- a/packages/proto-plus/tests/test_marshal_register.py
+++ b/packages/proto-plus/tests/test_marshal_register.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import pytest
-
 from google.protobuf import empty_pb2
 
 from proto.marshal.marshal import BaseMarshal
diff --git a/packages/proto-plus/tests/test_marshal_strict.py b/packages/proto-plus/tests/test_marshal_strict.py
index 6ff3187ae7b58..fa6c379329a40 100644
--- a/packages/proto-plus/tests/test_marshal_strict.py
+++ b/packages/proto-plus/tests/test_marshal_strict.py
@@ -12,9 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from proto.marshal.marshal import BaseMarshal
 import pytest
 
+from proto.marshal.marshal import BaseMarshal
+
 
 def test_strict_to_proto():
     m = BaseMarshal()
diff --git a/packages/proto-plus/tests/test_marshal_types_dates.py b/packages/proto-plus/tests/test_marshal_types_dates.py
index d3fad95fbb4b9..7cf9ffd776d50 100644
--- a/packages/proto-plus/tests/test_marshal_types_dates.py
+++ b/packages/proto-plus/tests/test_marshal_types_dates.py
@@ -12,16 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from datetime import datetime
-from datetime import timedelta
-from datetime import timezone
+from datetime import datetime, timedelta, timezone
 
-from google.protobuf import duration_pb2
-from google.protobuf import timestamp_pb2
+from google.protobuf import duration_pb2, timestamp_pb2
 
 import proto
-from proto.marshal.marshal import BaseMarshal
 from proto.datetime_helpers import DatetimeWithNanoseconds
+from proto.marshal.marshal import BaseMarshal
 
 
 def test_timestamp_read():
diff --git a/packages/proto-plus/tests/test_marshal_types_enum.py b/packages/proto-plus/tests/test_marshal_types_enum.py
index acb554618dfaf..becafb105831f 100644
--- a/packages/proto-plus/tests/test_marshal_types_enum.py
+++ b/packages/proto-plus/tests/test_marshal_types_enum.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from unittest import mock
 import warnings
+from unittest import mock
 
 import proto
 from proto.marshal.rules.enums import EnumRule
diff --git a/packages/proto-plus/tests/test_marshal_types_struct.py b/packages/proto-plus/tests/test_marshal_types_struct.py
index 8ca2cde8a3c14..bbc5afae9c970 100644
--- a/packages/proto-plus/tests/test_marshal_types_struct.py
+++ b/packages/proto-plus/tests/test_marshal_types_struct.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import pytest
-
 from google.protobuf import struct_pb2
 
 import proto
diff --git a/packages/proto-plus/tests/test_message.py b/packages/proto-plus/tests/test_message.py
index 0649eae5ee9b6..836b4596dc694 100644
--- a/packages/proto-plus/tests/test_message.py
+++ b/packages/proto-plus/tests/test_message.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import itertools
+
 import pytest
 
 import proto
@@ -330,8 +331,8 @@ class Color(proto.Enum):
     "expect_proto_7_plus", [True, False], ids=["proto >= 7", "proto <= 6"]
 )
 def test_serialize_to_dict_float_precision(expect_proto_7_plus):
-    if ((expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) < 7)) or (
-        (not expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) >= 7)
+    if (expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) < 7) or (
+        not expect_proto_7_plus and int(proto.message._PROTOBUF_MAJOR_VERSION) >= 7
     ):
         pytest.skip("installed proto version does not match test")
 
diff --git a/packages/proto-plus/tests/test_message_filename_with_and_without_manifest.py b/packages/proto-plus/tests/test_message_filename_with_and_without_manifest.py
index 8e1b34766dfa3..cdd5ea532a7bc 100644
--- a/packages/proto-plus/tests/test_message_filename_with_and_without_manifest.py
+++ b/packages/proto-plus/tests/test_message_filename_with_and_without_manifest.py
@@ -14,7 +14,6 @@
 
 import proto
 
-
 PACKAGE = "a.test.package.with.and.without.manifest"
 __protobuf__ = proto.module(
     package=PACKAGE,
diff --git a/packages/proto-plus/tests/test_modules.py b/packages/proto-plus/tests/test_modules.py
index 5021aab16483d..4c8eb6b773479 100644
--- a/packages/proto-plus/tests/test_modules.py
+++ b/packages/proto-plus/tests/test_modules.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from unittest import mock
 import inspect
 import sys
+from unittest import mock
 
 from google.protobuf import wrappers_pb2
 
diff --git a/packages/proto-plus/tests/zone.py b/packages/proto-plus/tests/zone.py
index 90bea6a878c0c..d0c4d3cbe8dc1 100644
--- a/packages/proto-plus/tests/zone.py
+++ b/packages/proto-plus/tests/zone.py
@@ -15,7 +15,6 @@
 
 import proto
 
-
 __protobuf__ = proto.module(
     package="ocean.zone.v1",
     manifest={
diff --git a/packages/sqlalchemy-bigquery/noxfile.py b/packages/sqlalchemy-bigquery/noxfile.py
index 506a5bfcfb8fd..aa69ee0bc74b3 100644
--- a/packages/sqlalchemy-bigquery/noxfile.py
+++ b/packages/sqlalchemy-bigquery/noxfile.py
@@ -179,10 +179,24 @@ def lint(session):
     Returns a failure if the linters find linting errors or sufficiently
     serious code quality issues.
     """
-    session.install(FLAKE8_VERSION, BLACK_VERSION)
+    session.install(FLAKE8_VERSION, RUFF_VERSION)
+    # 1. Check imports
     session.run(
-        "black",
+        "ruff",
+        "check",
+        "--select",
+        "I",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
+        *LINT_PATHS,
+    )
+    # 2. Check formatting
+    session.run(
+        "ruff",
+        "format",
         "--check",
+        f"--target-version=py{UNIT_TEST_PYTHON_VERSIONS[0].replace('.', '')}",
+        "--line-length=88",
         *LINT_PATHS,
     )
 
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/__init__.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/__init__.py
index 7473f3326a460..1d3bdb51e0820 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/__init__.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/__init__.py
@@ -20,6 +20,7 @@
 SQLAlchemy dialect for Google BigQuery
 """
 
+import sys
 import warnings
 
 from ._types import (
@@ -43,7 +44,6 @@
 )
 from .base import BigQueryDialect, dialect
 from .version import __version__
-import sys
 
 # Now that support for Python 3.7, 3.8 and 3.9 has been removed, we don't expect the
 # following check to succeed. The warning is only included for robustness.
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_helpers.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_helpers.py
index 41513a57fe8f4..2977860d122ff 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_helpers.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_helpers.py
@@ -10,11 +10,11 @@
 import re
 from typing import Optional
 
-from google.api_core import client_info
 import google.auth
+import sqlalchemy
+from google.api_core import client_info
 from google.cloud import bigquery
 from google.oauth2 import service_account
-import sqlalchemy
 
 USER_AGENT_TEMPLATE = "sqlalchemy/{}"
 SCOPES = (
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_struct.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_struct.py
index 5fe4ccd51f901..5b9678d635025 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_struct.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_struct.py
@@ -17,12 +17,12 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-from sqlalchemy.sql import operators
 import sqlalchemy.sql.coercions
 import sqlalchemy.sql.default_comparator
 import sqlalchemy.sql.roles
 import sqlalchemy.sql.sqltypes
 import sqlalchemy.types
+from sqlalchemy.sql import operators
 
 # from . import base  # Moved to _get_subtype_col_spec to break circular import
 
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_types.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_types.py
index 1f16b8fca5c8e..dc0fcd01f2e57 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_types.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/_types.py
@@ -17,9 +17,9 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-from google.cloud.bigquery.schema import SchemaField
 import sqlalchemy.types
 import sqlalchemy.util
+from google.cloud.bigquery.schema import SchemaField
 
 try:
     from .geography import GEOGRAPHY
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/base.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/base.py
index 2b63363182676..e2922890cea0a 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/base.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/base.py
@@ -20,14 +20,21 @@
 """Integration between SQLAlchemy and BigQuery."""
 
 import datetime
-from decimal import Decimal
 import operator
 import random
 import re
 import uuid
+from decimal import Decimal
 
-from google import auth
 import google.api_core.exceptions
+import packaging.version
+import sqlalchemy
+import sqlalchemy.sql.expression
+import sqlalchemy.sql.functions
+import sqlalchemy.sql.sqltypes
+import sqlalchemy.sql.type_api
+import sqlalchemy_bigquery_vendored.sqlalchemy.postgresql.base as vendored_postgresql
+from google import auth
 from google.api_core.exceptions import NotFound
 from google.cloud.bigquery import ConnectionProperty, QueryJobConfig, dbapi
 from google.cloud.bigquery.table import (
@@ -35,8 +42,6 @@
     TableReference,
     TimePartitioning,
 )
-import packaging.version
-import sqlalchemy
 from sqlalchemy import util
 from sqlalchemy.engine.base import Engine
 from sqlalchemy.engine.default import DefaultDialect, DefaultExecutionContext
@@ -49,14 +54,9 @@
     IdentifierPreparer,
     SQLCompiler,
 )
-import sqlalchemy.sql.expression
-import sqlalchemy.sql.functions
 from sqlalchemy.sql.schema import Column, Table
 from sqlalchemy.sql.selectable import CTE
-import sqlalchemy.sql.sqltypes
 from sqlalchemy.sql.sqltypes import Integer, NullType, Numeric, String
-import sqlalchemy.sql.type_api
-import sqlalchemy_bigquery_vendored.sqlalchemy.postgresql.base as vendored_postgresql
 
 from . import _helpers, _types
 from .parse_url import parse_url
diff --git a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/geography.py b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/geography.py
index 744bfc803c703..2c1b20d559aa9 100644
--- a/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/geography.py
+++ b/packages/sqlalchemy-bigquery/sqlalchemy_bigquery/geography.py
@@ -19,9 +19,9 @@
 
 import geoalchemy2
 import geoalchemy2.functions
+import sqlalchemy.ext.compiler
 from geoalchemy2.shape import to_shape
 from shapely import wkb, wkt
-import sqlalchemy.ext.compiler
 from sqlalchemy.sql.elements import BindParameter
 
 SRID = 4326  # WGS84, https://spatialreference.org/ref/epsg/wgs-84/
diff --git a/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/conftest.py b/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/conftest.py
index b55d08758fceb..c5d69ced03dd6 100644
--- a/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/conftest.py
+++ b/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/conftest.py
@@ -22,6 +22,7 @@
 import traceback
 
 import google.cloud.bigquery.dbapi.connection
+import test_utils.prefixer
 from sqlalchemy.testing import config
 from sqlalchemy.testing.plugin.pytestplugin import *  # noqa
 from sqlalchemy.testing.plugin.pytestplugin import (
@@ -30,7 +31,6 @@
 from sqlalchemy.testing.plugin.pytestplugin import (
     pytest_sessionstart as _pytest_sessionstart,
 )
-import test_utils.prefixer
 
 import sqlalchemy_bigquery.base
 
diff --git a/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/test_dialect_compliance.py b/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/test_dialect_compliance.py
index 18983cef6e73e..dde343c624290 100644
--- a/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/test_dialect_compliance.py
+++ b/packages/sqlalchemy-bigquery/tests/sqlalchemy_dialect_compliance/test_dialect_compliance.py
@@ -25,33 +25,34 @@
 import pytest
 import pytz
 import sqlalchemy
-from sqlalchemy import and_
 import sqlalchemy.sql.sqltypes
+import sqlalchemy.testing.suite.test_types
+from sqlalchemy import and_
 from sqlalchemy.testing import config, util
 from sqlalchemy.testing.assertions import eq_
+from sqlalchemy.testing.suite import *  # noqa
 from sqlalchemy.testing.suite import (
+    Column,
+    DistinctOnTest,
+    HasIndexTest,
+    IdentityAutoincrementTest,
     Integer,
     LongNameBlowoutTest,
     PostCompileParamsTest,
     QuotedNameArgumentTest,
-)
-from sqlalchemy.testing.suite import (
+    String,
+    Table,
     WindowFunctionTest,
     bindparam,
     exists,
     select,
     testing,
 )
-from sqlalchemy.testing.suite import *  # noqa
 from sqlalchemy.testing.suite import CTETest as _CTETest
-from sqlalchemy.testing.suite import Column
-from sqlalchemy.testing.suite import DistinctOnTest
-from sqlalchemy.testing.suite import ExistsTest as _ExistsTest
-from sqlalchemy.testing.suite import HasIndexTest, IdentityAutoincrementTest
-from sqlalchemy.testing.suite import InsertBehaviorTest as _InsertBehaviorTest
-from sqlalchemy.testing.suite import String, Table
 from sqlalchemy.testing.suite import DifficultParametersTest as _DifficultParametersTest
+from sqlalchemy.testing.suite import ExistsTest as _ExistsTest
 from sqlalchemy.testing.suite import FetchLimitOffsetTest as _FetchLimitOffsetTest
+from sqlalchemy.testing.suite import InsertBehaviorTest as _InsertBehaviorTest
 from sqlalchemy.testing.suite import SimpleUpdateDeleteTest as _SimpleUpdateDeleteTest
 from sqlalchemy.testing.suite import (
     TimestampMicrosecondsTest as _TimestampMicrosecondsTest,
@@ -62,7 +63,6 @@
     ComponentReflectionTestExtra,
     HasTableTest,
 )
-import sqlalchemy.testing.suite.test_types
 from sqlalchemy.testing.suite.test_types import ArrayTest
 
 if packaging.version.parse(sqlalchemy.__version__) >= packaging.version.parse("2.0"):
@@ -637,8 +637,12 @@ def test_no_results_for_non_returning_insert(cls):
 del DistinctOnTest  # expects unquoted table names.
 del HasIndexTest  # BQ doesn't do the indexes that SQLA is loooking for.
 del IdentityAutoincrementTest  # BQ doesn't do autoincrement
-del LongNameBlowoutTest  # Requires features (indexes, primary keys, etc., that BigQuery doesn't have.
-del PostCompileParamsTest  # BQ adds backticks to bind parameters, causing failure of tests TODO: fix this?
+del (
+    LongNameBlowoutTest
+)  # Requires features (indexes, primary keys, etc., that BigQuery doesn't have.
+del (
+    PostCompileParamsTest
+)  # BQ adds backticks to bind parameters, causing failure of tests TODO: fix this?
 del QuotedNameArgumentTest  # Quotes aren't allowed in BigQuery table names.
 del (
     WindowFunctionTest.test_window_rows_between
diff --git a/packages/sqlalchemy-bigquery/tests/system/conftest.py b/packages/sqlalchemy-bigquery/tests/system/conftest.py
index 966fde7cdb357..5b6d27698bf6c 100644
--- a/packages/sqlalchemy-bigquery/tests/system/conftest.py
+++ b/packages/sqlalchemy-bigquery/tests/system/conftest.py
@@ -20,12 +20,12 @@
 import pathlib
 from typing import List
 
-from google.api_core import exceptions
-from google.cloud import bigquery
 import pytest
 import sqlalchemy
 import test_utils.prefixer
 import test_utils.retry
+from google.api_core import exceptions
+from google.cloud import bigquery
 
 from sqlalchemy_bigquery import BigQueryDialect
 
diff --git a/packages/sqlalchemy-bigquery/tests/system/test_alembic.py b/packages/sqlalchemy-bigquery/tests/system/test_alembic.py
index 76da691bea979..a35b369625bf8 100644
--- a/packages/sqlalchemy-bigquery/tests/system/test_alembic.py
+++ b/packages/sqlalchemy-bigquery/tests/system/test_alembic.py
@@ -20,8 +20,8 @@
 import contextlib
 
 import google.api_core.exceptions
-from google.cloud.bigquery import SchemaField, TimePartitioning
 import pytest
+from google.cloud.bigquery import SchemaField, TimePartitioning
 from sqlalchemy import Column, DateTime, Integer, Numeric, String
 
 alembic = pytest.importorskip("alembic")
diff --git a/packages/sqlalchemy-bigquery/tests/system/test_sqlalchemy_bigquery.py b/packages/sqlalchemy-bigquery/tests/system/test_sqlalchemy_bigquery.py
index 757863f9637b3..6947e61707ae0 100644
--- a/packages/sqlalchemy-bigquery/tests/system/test_sqlalchemy_bigquery.py
+++ b/packages/sqlalchemy-bigquery/tests/system/test_sqlalchemy_bigquery.py
@@ -21,10 +21,10 @@
 import datetime
 import decimal
 
-from google.cloud.bigquery import TimePartitioning
 import packaging.version
 import pytest
 import sqlalchemy
+from google.cloud.bigquery import TimePartitioning
 from sqlalchemy import (
     Column,
     MetaData,
diff --git a/packages/sqlalchemy-bigquery/tests/unit/conftest.py b/packages/sqlalchemy-bigquery/tests/unit/conftest.py
index fa186379bf3f5..64691da333909 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/conftest.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/conftest.py
@@ -68,7 +68,7 @@ def ex(sql, *args, **kw):
 
                 conn.ex = ex
 
-                ex("create table comments" " (key string primary key, comment string)")
+                ex("create table comments (key string primary key, comment string)")
 
                 # Modernize faux_conn for SQLAlchemy 2.0+ by allowing it to execute
                 # Compiled objects (common in this test suite)
diff --git a/packages/sqlalchemy-bigquery/tests/unit/fauxdbi.py b/packages/sqlalchemy-bigquery/tests/unit/fauxdbi.py
index 1d1bccdd31c45..ec8980aa9946d 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/fauxdbi.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/fauxdbi.py
@@ -432,8 +432,7 @@ def _get_field(
 
     def __get_comments(self, cursor, table_name):
         cursor.execute(
-            f"select key, comment"
-            f" from comments where key like {repr(table_name + '%')}"
+            f"select key, comment from comments where key like {repr(table_name + '%')}"
         )
 
         return {key.split(",")[1]: comment for key, comment in cursor}
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test__types.py b/packages/sqlalchemy-bigquery/tests/unit/test__types.py
index 5ece6a1db6d6c..3c702e613d6ff 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test__types.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test__types.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from google.cloud.bigquery.schema import SchemaField
 import pytest
+from google.cloud.bigquery.schema import SchemaField
 
 from sqlalchemy_bigquery._types import _get_transitive_schema_fields
 
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_comments.py b/packages/sqlalchemy-bigquery/tests/unit/test_comments.py
index 6feba866bde47..6e361d6cb5509 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_comments.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_comments.py
@@ -79,7 +79,7 @@ def test_table_friendly_name_dialect_option(faux_conn):
     )
 
     assert " ".join(faux_conn.test_data["execute"][-1][0].strip().split()) == (
-        "CREATE TABLE `some_table` ( `id` INT64 )" " OPTIONS(friendly_name='bob')"
+        "CREATE TABLE `some_table` ( `id` INT64 ) OPTIONS(friendly_name='bob')"
     )
 
 
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_compiler.py b/packages/sqlalchemy-bigquery/tests/unit/test_compiler.py
index 242fe390b8838..77f55dd7bf80d 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_compiler.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_compiler.py
@@ -58,7 +58,7 @@ def test_constraints_are_ignored(faux_conn, metadata):
     )
     metadata.create_all(faux_conn.engine)
     assert " ".join(faux_conn.test_data["execute"][-1][0].strip().split()) == (
-        "CREATE TABLE `some_table`" " ( `id` INT64 NOT NULL, `ref_id` INT64 )"
+        "CREATE TABLE `some_table` ( `id` INT64 NOT NULL, `ref_id` INT64 )"
     )
 
 
@@ -111,8 +111,7 @@ def test_no_alias_for_known_tables_cte(faux_conn, metadata):
     q = sqlalchemy.select(table.c.foo, F.unnest(table.c.bars).column_valued("bar"))
 
     expected_initial_sql = (
-        "SELECT `table1`.`foo`, `bar` \n"
-        "FROM `table1`, unnest(`table1`.`bars`) AS `bar`"
+        "SELECT `table1`.`foo`, `bar` \nFROM `table1`, unnest(`table1`.`bars`) AS `bar`"
     )
     found_initial_sql = q.compile(faux_conn).string
     assert found_initial_sql == expected_initial_sql
@@ -338,8 +337,7 @@ def test_grouping_ops_vs_single_column(faux_conn, table, grouping_op, grouping_o
     found_sql = q.compile(faux_conn).string
 
     expected_sql = (
-        f"SELECT `table1`.`foo` \n"
-        f"FROM `table1` GROUP BY {grouping_op}(`table1`.`foo`)"
+        f"SELECT `table1`.`foo` \nFROM `table1` GROUP BY {grouping_op}(`table1`.`foo`)"
     )
 
     assert found_sql == expected_sql
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_compliance.py b/packages/sqlalchemy-bigquery/tests/unit/test_compliance.py
index d3a2e717c5684..e926628390fb8 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_compliance.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_compliance.py
@@ -166,12 +166,12 @@ def test_likish(faux_conn, meth, arg, expected):
         ],
     )
     expr = getattr(table.c.data, meth)(arg)
-    rows = {value for value, in faux_conn.execute(select(table.c.id).where(expr))}
+    rows = {value for (value,) in faux_conn.execute(select(table.c.id).where(expr))}
     eq_(rows, expected)
 
     all = {i for i in range(1, 11)}
     expr = sqlalchemy.not_(expr)
-    rows = {value for value, in faux_conn.execute(select(table.c.id).where(expr))}
+    rows = {value for (value,) in faux_conn.execute(select(table.c.id).where(expr))}
     eq_(rows, all - expected)
 
 
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_helpers.py b/packages/sqlalchemy-bigquery/tests/unit/test_helpers.py
index c5b7a5aa9e896..9017e0ba800d6 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_helpers.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_helpers.py
@@ -10,8 +10,8 @@
 
 import google.auth
 import google.auth.credentials
-from google.oauth2 import service_account
 import pytest
+from google.oauth2 import service_account
 
 from sqlalchemy_bigquery import _helpers
 
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_parse_url.py b/packages/sqlalchemy-bigquery/tests/unit/test_parse_url.py
index fde82bf62fe6b..343346dc3e5d9 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_parse_url.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_parse_url.py
@@ -17,10 +17,10 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+import pytest
 from google.cloud.bigquery import QueryJobConfig
 from google.cloud.bigquery.dataset import DatasetReference
 from google.cloud.bigquery.table import EncryptionConfiguration, TableReference
-import pytest
 from sqlalchemy.engine.url import make_url
 
 from sqlalchemy_bigquery.parse_url import parse_url
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_select.py b/packages/sqlalchemy-bigquery/tests/unit/test_select.py
index 332f8b070c97d..5ad296076fe77 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_select.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_select.py
@@ -118,7 +118,7 @@ def test_typed_parameters(faux_conn, type_, val, btype, vrep):
     table = setup_table(faux_conn, "t", sqlalchemy.Column(col_name, type_))
 
     assert faux_conn.test_data["execute"].pop()[0].strip() == (
-        f"CREATE TABLE `t` (\n" f"\t`{col_name}` {btype}\n" f")"
+        f"CREATE TABLE `t` (\n\t`{col_name}` {btype}\n)"
     )
 
     faux_conn.execute(table.insert().values(**{col_name: val}))
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_sqlalchemy_bigquery.py b/packages/sqlalchemy-bigquery/tests/unit/test_sqlalchemy_bigquery.py
index 85408aefd3280..c185d54e0e8b4 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_sqlalchemy_bigquery.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_sqlalchemy_bigquery.py
@@ -7,11 +7,11 @@
 from unittest import mock
 
 import google.api_core.exceptions
+import pytest
+import sqlalchemy
 from google.cloud import bigquery
 from google.cloud.bigquery.dataset import DatasetListItem
 from google.cloud.bigquery.table import TableListItem
-import pytest
-import sqlalchemy
 
 from .conftest import setup_table
 
diff --git a/packages/sqlalchemy-bigquery/tests/unit/test_table_options.py b/packages/sqlalchemy-bigquery/tests/unit/test_table_options.py
index cbdf51e347a59..507ee33b84fda 100644
--- a/packages/sqlalchemy-bigquery/tests/unit/test_table_options.py
+++ b/packages/sqlalchemy-bigquery/tests/unit/test_table_options.py
@@ -20,14 +20,14 @@
 import datetime
 import sqlite3
 
+import pytest
+import sqlalchemy
 from google.cloud.bigquery import (
     PartitionRange,
     RangePartitioning,
     TimePartitioning,
     TimePartitioningType,
 )
-import pytest
-import sqlalchemy
 
 from .conftest import setup_table