payload can be None, apparently

shinthor · Jul 26, 2023 · a4ccec6 · a4ccec6
1 parent 769749d
commit a4ccec6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/chainlit/llama_index/callbacks.py b/src/chainlit/llama_index/callbacks.py
@@ -58,6 +58,8 @@ def on_event_end(
         **kwargs: Any,
     ) -> None:
         """Run when an event ends."""
+        if payload is None:
+            return
 
         parent_id = self.root_message.id if self.root_message else None