1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index 6209bc0cde..dc33f61d2b 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -17,6 +17,7 @@ import logging
 import operator
 
 import six
+
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership