1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/storage/databases/main/user_directory.py b/synapse/storage/databases/main/user_directory.py
index 391f0dd638..2b867cdb6e 100644
--- a/synapse/storage/databases/main/user_directory.py
+++ b/synapse/storage/databases/main/user_directory.py
@@ -582,9 +582,9 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
             retry_counter: number of failures in refreshing the profile so far. Used for
                 exponential backoff calculations.
         """
-        assert not self.hs.is_mine_id(
-            user_id
-        ), "Can't mark a local user as a stale remote user."
+        assert not self.hs.is_mine_id(user_id), (
+            "Can't mark a local user as a stale remote user."
+        )
 
         server_name = UserID.from_string(user_id).domain