1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index e58f649aaf..d1d478129f 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -129,9 +129,9 @@ async def filter_events_for_client(
         retention_policies: Dict[str, RetentionPolicy] = {}
 
         for room_id in room_ids:
-            retention_policies[
-                room_id
-            ] = await storage.main.get_retention_policy_for_room(room_id)
+            retention_policies[room_id] = (
+                await storage.main.get_retention_policy_for_room(room_id)
+            )
 
     def allowed(event: EventBase) -> Optional[EventBase]:
         return _check_client_allowed_to_see_event(