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Fix base class compatibility for IntFlag in Python 3.11+ to resolve inverted type issue #13854

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Apr 28, 2025
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2 changes: 2 additions & 0 deletions stdlib/enum.pyi
Original file line number Diff line number Diff line change
Expand Up @@ -299,6 +299,7 @@ if sys.version_info >= (3, 11):
def __or__(self, other: int) -> Self: ...
def __and__(self, other: int) -> Self: ...
def __xor__(self, other: int) -> Self: ...
def __invert__(self) -> IntFlag: ...
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Suggested change
def __invert__(self) -> IntFlag: ...
def __invert__(self) -> Self: ...

__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
Expand All @@ -309,6 +310,7 @@ else:
def __or__(self, other: int) -> Self: ...
def __and__(self, other: int) -> Self: ...
def __xor__(self, other: int) -> Self: ...
def __invert__(self) -> IntFlag: ...
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Suggested change
def __invert__(self) -> IntFlag: ...
def __invert__(self) -> Self: ...

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Thanks for the suggestion! @brianschubert I've made the changes you recommended.

__ror__ = __or__
__rand__ = __and__
__rxor__ = __xor__
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