diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py
index f0d4ff2f05..f274f86a32 100644
--- a/synapse/storage/util/id_generators.py
+++ b/synapse/storage/util/id_generators.py
@@ -432,10 +432,10 @@ class MultiWriterIdGenerator(AbstractStreamIdGenerator):
             # write to the stream. In which case, let's pre-seed our own
             # position with the current minimum.
             self._current_positions[self._instance_name] = self._persisted_upto_position
-        
+
         table_string = "\n".join(", ".join(row) for row in tables)
         logger.debug(f"{table_string}")
- 
+
     def _load_current_ids(
         self,
         db_conn: LoggingDatabaseConnection,