fix: Add None check for

Author: ordinary-jamie

Lib/asyncio/base_events.py

@@ -303,6 +303,8 @@ def _detach(self, transport):
             self._wakeup()
 
     def _wakeup(self):
+        if self._waiters is None:
+            return
         waiters = self._waiters
         self._waiters = None
         for waiter in waiters:

Misc/NEWS.d/next/Library/2024-11-11-11-13-30.gh-issue-109564._f7W0v.rst

@@ -0,0 +1 @@
+Add ``None`` check for :meth:`asyncio.Server._wakeup`. Patch by Jamie Phan.