Ticket #12644: fix.diff

contrib/auth/admin.py

@@ -62 +62 @@
         Use special form during user creation
         """
         defaults = {}
-        if not obj:
-            defaults = {
-                'form': UserCreationForm,
-                'fields': ['username'],
-            }
+        if obj is None:
+            defaults['form'] = self.add_form
+            defaults['fields'] = admin.util.flatten_fieldsets(self.add_fieldsets)
         defaults.update(kwargs)
         return super(UserAdmin, self).get_form(request, obj, **defaults)