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pytorch/torch/_C/_functions.pyi
Xuehai Pan 56935684c3 Use Generic TypeAlias (PEP 585) and Union Type (PEP 604) in .pyi stub files (#129419)
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- [Generic TypeAlias (PEP 585)](https://peps.python.org/pep-0585): e.g. `typing.List[T] -> list[T]`, `typing.Dict[KT, VT] -> dict[KT, VT]`, `typing.Type[T] -> type[T]`.
- [Union Type (PEP 604)](https://peps.python.org/pep-0604): e.g. `Union[X, Y] -> X | Y`, `Optional[X] -> X | None`, `Optional[Union[X, Y]] -> X | Y | None`.

Note that in `.pyi` stub files, we do not need `from __future__ import annotations`. So this PR does not violate issue #117449:

- #117449

Pull Request resolved: https://github.com/pytorch/pytorch/pull/129419
Approved by: https://github.com/ezyang
ghstack dependencies: #129375, #129376
2024-06-29 09:23:39 +00:00

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Python

from typing import AnyStr
from torch import Tensor
class UndefinedGrad:
def __init__(self) -> None: ...
def __call__(self, *inputs: Tensor) -> list[Tensor]: ...
class DelayedError:
def __init__(self, msg: AnyStr, num_inputs: int) -> None: ...
def __call__(self, inputs: list[Tensor]) -> list[Tensor]: ...