Hardcoding pickle.HIGHEST_PROTOCOL in test

Aaron Wieczorek · Aaron Wieczorek · commit ec61e9c68742 · 2025-12-31T21:49:41.000Z
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
@@ -4280,7 +4280,7 @@ def __bool__(self):
                 buf.release()
                 return True
 
-        max_proto = getattr(self, "proto", pickle.HIGHEST_PROTOCOL)
+        max_proto = pickle.HIGHEST_PROTOCOL
         for proto in range(5, max_proto + 1):
             obj, sub = factory()
             buf = pickle.PickleBuffer(obj)
