diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index f9c1113b1e367f..242a6d2ffc23b2 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -1247,6 +1247,7 @@ def _process_class(cls, init, repr, eq, order, unsafe_hash, frozen, # classes with slots. These could be slightly more performant if we generated # the code instead of iterating over fields. But that can be a project for # another day, if performance becomes an issue. + def _dataclass_getstate(self): return [getattr(self, f.name) for f in fields(self)]