1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 722c4ae670..150a4f291e 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -1601,7 +1601,7 @@ class SyncHandler:
             logger.debug(
                 "Membership changes in %s: [%s]",
                 room_id,
-                ", ".join(("%s (%s)" % (e.event_id, e.membership) for e in events)),
+                ", ".join("%s (%s)" % (e.event_id, e.membership) for e in events),
             )
 
             non_joins = [e for e in events if e.membership != Membership.JOIN]