From b325815f44f0e9a3658919871238962d2a7f4240 Mon Sep 17 00:00:00 2001
From: Sam Bull <git@sambull.org>
Date: Mon, 24 Jul 2023 22:49:13 +0100
Subject: [PATCH] Fix type of Future._exception (#10502)

---
 stdlib/asyncio/futures.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/asyncio/futures.pyi b/stdlib/asyncio/futures.pyi
index 79209f5ed4fb..af05425d02a2 100644
--- a/stdlib/asyncio/futures.pyi
+++ b/stdlib/asyncio/futures.pyi
@@ -31,7 +31,7 @@ def isfuture(obj: object) -> TypeGuard[Future[Any]]: ...
 class Future(Awaitable[_T], Iterable[_T]):
     _state: str
     @property
-    def _exception(self) -> BaseException: ...
+    def _exception(self) -> BaseException | None: ...
     _blocking: bool
     @property
     def _log_traceback(self) -> bool: ...