Ticket #11042: mir-11042.diff

django/contrib/admin/helpers.py

@@ -146 +146 @@
             yield InlineFieldset(self.formset, self.form, name, **options)
 
     def has_auto_field(self):
-        for field in self.form._meta.model._meta.fields:
-            if field.auto_created:
-                return True
-        return False
+        return self.form._meta.model._meta.has_auto_field
 
     def field_count(self):
         # tabular.html uses this function for colspan value.