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Fix variance inference issues caused by dataclass replace #21694

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hauntsaninja merged 1 commit into from
Jul 7, 2026
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Fix variance inference issues caused by dataclass replace #21694

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2 changes: 1 addition & 1 deletion mypy/subtypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2278,7 +2278,7 @@ def infer_variance(info: TypeInfo, i: int) -> bool:
self_type = fill_typevars(info)
for member in all_non_object_members(info):
# __mypy-replace is an implementation detail of the dataclass plugin
if member in ("__init__", "__new__", "__mypy-replace"):
if member in {"__init__", "__new__", "__replace__", "__mypy-replace"}:
continue

if isinstance(self_type, TupleType):
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