Fix formatting matched arguments

core/db/elastic.py

@@ -371,6 +371,8 @@ class ElasticsearchBackend(StorageBackend):
         """
         Check the results of a scheduled query for aggregations.
         """
+        if rule_object.aggs is None:
+            return result_map
         for index, (meta, result) in result_map.items():
             # Default to true, if no aggs are found, we still want to match
             match = True