diff options
Diffstat (limited to 'Lib/dataclasses.py')
| -rw-r--r-- | Lib/dataclasses.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index 7c3285cf440..82b08fc0178 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -1189,6 +1189,9 @@ def _add_slots(cls, is_frozen, weakref_slot): # Remove __dict__ itself. cls_dict.pop('__dict__', None) + # Clear existing `__weakref__` descriptor, it belongs to a previous type: + cls_dict.pop('__weakref__', None) # gh-102069 + # And finally create the class. qualname = getattr(cls, '__qualname__', None) cls = type(cls)(cls.__name__, cls.__bases__, cls_dict) |