diff --git a/stdlib/concurrent/futures/_base.pyi b/stdlib/concurrent/futures/_base.pyi index 9ea4d5dff..7c1a3b8a2 100644 --- a/stdlib/concurrent/futures/_base.pyi +++ b/stdlib/concurrent/futures/_base.pyi @@ -1,7 +1,7 @@ import sys import threading from _typeshed import Unused -from collections.abc import Callable, Iterable, Iterator +from collections.abc import Callable, Collection, Iterable, Iterator from logging import Logger from types import TracebackType from typing import Any, Generic, Literal, NamedTuple, Protocol, TypeVar @@ -91,9 +91,15 @@ class DoneAndNotDoneFutures(NamedTuple, Generic[_T]): done: set[Future[_T]] not_done: set[Future[_T]] -def wait( - fs: Iterable[Future[_T]], timeout: float | None = None, return_when: str = "ALL_COMPLETED" -) -> DoneAndNotDoneFutures[_T]: ... +if sys.version_info >= (3, 9): + def wait( + fs: Iterable[Future[_T]], timeout: float | None = None, return_when: str = "ALL_COMPLETED" + ) -> DoneAndNotDoneFutures[_T]: ... + +else: + def wait( + fs: Collection[Future[_T]], timeout: float | None = None, return_when: str = "ALL_COMPLETED" + ) -> DoneAndNotDoneFutures[_T]: ... class _Waiter: event: threading.Event