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Experiment: loosen object.__eq__ and object.__ne__ signature. #15344

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Experiment: loosen object.__eq__ and object.__ne__ signature. #15344

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2f2750f
set other/return to Any in object.__eq__ and object.__ne__
randolf-scholz Jan 30, 2026
12eb8f2
Change return type of object.__eq__ and object.__ne__ to object rathe…
randolf-scholz Jan 30, 2026
ec07cf9
try with Any | bool
randolf-scholz Jan 30, 2026
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8 changes: 6 additions & 2 deletions stdlib/builtins.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -121,8 +121,12 @@ class object:
# Overriding them in subclasses has different semantics, even if the override has an identical signature.
def __setattr__(self, name: str, value: Any, /) -> None: ...
def __delattr__(self, name: str, /) -> None: ...
def __eq__(self, value: object, /) -> bool: ...
def __ne__(self, value: object, /) -> bool: ...
# Using 'Any' rather than 'object' for the argument because
# classes may want to restrict the type.
# Using 'Any | bool' rather than 'bool' for the return type because
# classes may want to return a wider type (e.g. numpy array)
def __eq__(self, value: Any, /) -> Any | bool: ... # noqa: Y032
def __ne__(self, value: Any, /) -> Any | bool: ... # noqa: Y032
def __str__(self) -> str: ... # noqa: Y029
def __repr__(self) -> str: ... # noqa: Y029
def __hash__(self) -> int: ...
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