ashb commented on code in PR #22909:
URL: https://github.com/apache/airflow/pull/22909#discussion_r847645333


##########
airflow/serialization/serialized_objects.py:
##########
@@ -1081,12 +1081,12 @@ def deserialize_dag(cls, encoded_dag: Dict[str, Any]) 
-> 'SerializedDAG':
                 setattr(task.subdag, 'parent_dag', dag)
 
             if isinstance(task, MappedOperator):
-                for d in (task.mapped_kwargs, task.partial_kwargs):
-                    for k, v in d.items():
-                        if not isinstance(v, _XComRef):
-                            continue
+                expansion_kwargs = task._get_expansion_kwargs()

Review Comment:
   This was a bug that I don't know how we didn't hit before? The serialized 
task as a result had these objects left as _XcomRef, which as it is a named 
tuple has a `__len__` of 2 😱 



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscr...@airflow.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org

Reply via email to