diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 733285ab98a2..d361494c2e9f 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -1966,7 +1966,11 @@ async def shutdown_room(
 
             # BEEPER HACK: Remove after we've cleaned up synapse bridges
             if user_id.startswith("@_"):
-                logger.info("Skipping kicking %r from %r because it's a appservice user...", user_id, room_id)
+                logger.info(
+                    "Skipping kicking %r from %r because it's a appservice user...",
+                    user_id,
+                    room_id,
+                )
                 continue
 
             logger.info("Kicking %r from %r...", user_id, room_id)