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Eliminated the use of "bare" TypeVars in stdlib stubs (#5041)

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Eliminated the use of "bare" TypeVars (i.e. a TypeVar that appears only once) within generic methods. While not considered an error in PEP 484, these are a common source of bugs in code, and some type checkers (including pytype and pyright) flag them as errors.

Co-authored-by: Eric Traut <erictr@microsoft.com>
This commit is contained in:
Eric Traut
2021-02-27 20:43:45 -07:00
committed by GitHub
parent 3c0f2acdf0
commit e2967a8bee
16 changed files with 34 additions and 37 deletions
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stdlib/functools.pyi
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@@ -123,7 +123,7 @@ if sys.version_info >= (3, 8):
@overload
def __get__(self, instance: None, owner: Optional[Type[Any]] = ...) -> cached_property[_T]: ...
@overload
def __get__(self, instance: _S, owner: Optional[Type[Any]] = ...) -> _T: ...
def __get__(self, instance: object, owner: Optional[Type[Any]] = ...) -> _T: ...
def __set_name__(self, owner: Type[Any], name: str) -> None: ...
if sys.version_info >= (3, 9):
def __class_getitem__(cls, item: Any) -> GenericAlias: ...