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Add overloads for asyncio.sleep() (#7873)

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Closes #7866. This adds an overload to `asyncio.sleep()`, so that when it is called _without_ `return=None`, the type checker knows that the return type is `None` instead of `unknown`.

Also related to https://github.com/microsoft/pyright/issues/3475.
This commit is contained in:
Winston Chang
2022-05-18 18:19:45 -05:00
committed by GitHub
parent f2f72d6c52
commit 6653be1511
1 changed files with 8 additions and 2 deletions
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10
stdlib/asyncio/tasks.pyi
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@@ -270,7 +270,10 @@ def run_coroutine_threadsafe(coro: _FutureT[_T], loop: AbstractEventLoop) -> con
if sys.version_info >= (3, 10):
def shield(arg: _FutureT[_T]) -> Future[_T]: ...
async def sleep(delay: float, result: _T = ...) -> _T: ...
@overload
async def sleep(delay: float) -> None: ...
@overload
async def sleep(delay: float, result: _T) -> _T: ...
@overload
async def wait(fs: Iterable[_FT], *, timeout: float | None = ..., return_when: str = ...) -> tuple[set[_FT], set[_FT]]: ... # type: ignore[misc]
@overload
@@ -281,7 +284,10 @@ if sys.version_info >= (3, 10):
else:
def shield(arg: _FutureT[_T], *, loop: AbstractEventLoop | None = ...) -> Future[_T]: ...
async def sleep(delay: float, result: _T = ..., *, loop: AbstractEventLoop | None = ...) -> _T: ...
@overload
async def sleep(delay: float, *, loop: AbstractEventLoop | None = ...) -> None: ...
@overload
async def sleep(delay: float, result: _T, *, loop: AbstractEventLoop | None = ...) -> _T: ...
@overload
async def wait( # type: ignore[misc]
fs: Iterable[_FT], *, loop: AbstractEventLoop | None = ..., timeout: float | None = ..., return_when: str = ...