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Make types.UnionType.__getitem__ parameter positional-only #15458

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Merged
srittau merged 1 commit into from
Feb 23, 2026
Merged

Make types.UnionType.__getitem__ parameter positional-only #15458

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2 changes: 1 addition & 1 deletion stdlib/types.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -733,7 +733,7 @@ if sys.version_info >= (3, 10):
def __hash__(self) -> int: ...
# you can only subscript a `UnionType` instance if at least one of the elements
# in the union is a generic alias instance that has a non-empty `__parameters__`
def __getitem__(self, parameters: Any) -> object: ...
def __getitem__(self, parameters: Any, /) -> object: ...

if sys.version_info >= (3, 13):
@final
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