Ticket #8999: modeladmin-getform-and-getformset-exclude-fix-2.diff

django/contrib/admin/options.py

@@ -266 +266 @@
         if self.exclude is None:
             exclude = []
         else:
-            exclude = self.exclude
+            exclude = list(self.exclude)
         defaults = {
             "form": self.form,
             "fields": fields,
-            "exclude": exclude + kwargs.get("exclude", []),
+            "exclude": exclude + kwargs.pop("exclude", []),
             "formfield_callback": self.formfield_for_dbfield,
         }
         defaults.update(kwargs)
@@ -780 +780 @@
         if self.exclude is None:
             exclude = []
         else:
-            exclude = self.exclude
+            exclude = list(self.exclude)
         defaults = {
             "form": self.form,
             "formset": self.formset,
             "fk_name": self.fk_name,
             "fields": fields,
-            "exclude": exclude + kwargs.get("exclude", []),
+            "exclude": exclude + kwargs.pop("exclude", []),
             "formfield_callback": self.formfield_for_dbfield,
             "extra": self.extra,
             "max_num": self.max_num,