diff --git a/synapse/push/push_tools.py b/synapse/push/push_tools.py
index d91ca34a8..6f2d1ad57 100644
--- a/synapse/push/push_tools.py
+++ b/synapse/push/push_tools.py
@@ -18,6 +18,7 @@ from synapse.util.presentable_names import (
     calculate_room_name, name_from_member_event
 )
 
+
 @defer.inlineCallbacks
 def get_badge_count(store, user_id):
     invites, joins = yield defer.gatherResults([