1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/handlers/room_batch.py b/synapse/handlers/room_batch.py
index 411a6fb22f..c73d2adaad 100644
--- a/synapse/handlers/room_batch.py
+++ b/synapse/handlers/room_batch.py
@@ -375,6 +375,8 @@ class RoomBatchHandler:
         # Events are sorted by (topological_ordering, stream_ordering)
         # where topological_ordering is just depth.
         for (event, context) in reversed(events_to_persist):
+            # This call can't raise `PartialStateConflictError` since we forbid
+            # use of the historical batch API during partial state
             await self.event_creation_handler.handle_new_client_event(
                 await self.create_requester_for_user_id_from_app_service(
                     event.sender, app_service_requester.app_service