diff --git a/synapse/storage/push_rule.py b/synapse/storage/push_rule.py
index f5a736be44a8d06123f3cb3ad6f13fd42fb491df..48105234f65ad8edca60ff4c1c01889cefa230ae 100644
--- a/synapse/storage/push_rule.py
+++ b/synapse/storage/push_rule.py
@@ -184,6 +184,7 @@ class PushRuleStore(SQLBaseStore):
             }
         )
 
+
 class RuleNotFoundException(Exception):
     pass