1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py
index db52176337..a7fb8cd848 100644
--- a/synapse/storage/databases/main/push_rule.py
+++ b/synapse/storage/databases/main/push_rule.py
@@ -79,9 +79,9 @@ class PushRulesWorkerStore(
         super().__init__(database, db_conn, hs)
 
         if hs.config.worker.worker_app is None:
-            self._push_rules_stream_id_gen = StreamIdGenerator(
-                db_conn, "push_rules_stream", "stream_id"
-            )  # type: Union[StreamIdGenerator, SlavedIdTracker]
+            self._push_rules_stream_id_gen: Union[
+                StreamIdGenerator, SlavedIdTracker
+            ] = StreamIdGenerator(db_conn, "push_rules_stream", "stream_id")
         else:
             self._push_rules_stream_id_gen = SlavedIdTracker(
                 db_conn, "push_rules_stream", "stream_id"