Optimized containment check in ChoicesMeta.

django · Dec 16, 2019 · 972d93a · 972d93a
1 parent 9d40b6b
commit 972d93a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/django/db/models/enums.py b/django/db/models/enums.py
@@ -36,7 +36,7 @@ def __new__(metacls, classname, bases, classdict):
     def __contains__(cls, member):
         if not isinstance(member, enum.Enum):
             # Allow non-enums to match against member values.
-            return member in {x.value for x in cls}
+            return any(x.value == member for x in cls)
         return super().__contains__(member)
 
     @property