From de182676853e8de22363e8a0641c42392c0fdaa9 Mon Sep 17 00:00:00 2001
From: Alex Waygood <Alex.Waygood@Gmail.com>
Date: Wed, 5 Apr 2023 17:37:36 +0100
Subject: gh-74690: Further optimise `typing._ProtocolMeta.__instancecheck__`
 (#103280)

---
 Lib/typing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/typing.py b/Lib/typing.py
index b8420f6..1f1c4ff 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -2039,7 +2039,7 @@ class _ProtocolMeta(ABCMeta):
                     val = getattr_static(instance, attr)
                 except AttributeError:
                     break
-                if callable(getattr(cls, attr, None)) and val is None:
+                if val is None and callable(getattr(cls, attr, None)):
                     break
             else:
                 return True
-- 
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