Update django_mongodb_backend/schema.py

Co-authored-by: Tim Graham <[email protected]>

Author: aclark4life

django_mongodb_backend/schema.py

@@ -455,7 +455,7 @@ def _get_encrypted_fields_map(self, model):
                     # types e.g. queries=["equality", "range"]
                     **(
                         {"queries": [{"queryType": query} for query in field.queries]}
-                        if hasattr(field, "queries") and field.queries
+                        if getattr(field, "queries", None)
                         else {}
                     ),
                 }