diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 0d4240d014..5ebd3ea855 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -1383,7 +1383,9 @@ class SyncHandler:
         if not sync_config.filter_collection.lazy_load_members():
             # Non-lazy syncs should never include partially stated rooms.
             # Exclude all partially stated rooms from this sync.
-            results = await self.store.is_partial_state_room_batched(mutable_joined_room_ids)
+            results = await self.store.is_partial_state_room_batched(
+                mutable_joined_room_ids
+            )
             mutable_rooms_to_exclude.update(
                 room_id
                 for room_id, is_partial_state in results.items()
@@ -1404,7 +1406,9 @@ class SyncHandler:
                     mutable_joined_room_ids,
                 )
             )
-            results = await self.store.is_partial_state_room_batched(un_partial_stated_rooms)
+            results = await self.store.is_partial_state_room_batched(
+                un_partial_stated_rooms
+            )
             forced_newly_joined_room_ids.update(
                 room_id
                 for room_id, is_partial_state in results.items()