Merge pull request #4770 from netbox-community/3703-limit-tag-creation

Closes #3703: Restrict tag creation

netbox/utilities/querysets.py

@@ -12,6 +12,9 @@ class DummyQuerySet:
     def __init__(self, queryset):
         self._cache = [obj for obj in queryset.all()]
 
+    def __iter__(self):
+        return iter(self._cache)
+
     def all(self):
         return self._cache