potiuk commented on PR #24085:
URL: https://github.com/apache/airflow/pull/24085#issuecomment-1145359249

   Hey @uranusjr @ashb @kaxil - I need your expert knowledge here. 
   
   It seems that - after I added "Mapped tasks" to example dags, the 
serialization test detected it as "wrong". I am not 100% sure what the 
implications are without deeper looking at it but it does look like we are not 
able to use Mapped Tasks in cases where Dags are serialized - which might or 
might not be a problem.
   
   Example here:
   
   
https://github.com/apache/airflow/runs/6710772433?check_suite_focus=true#step:10:4202
   
   ```
     >       assert isinstance(serialized_task, SerializedBaseOperator)
     E       assert False
     E        +  where False = isinstance(<Mapped(_PythonDecoratedOperator): 
add_one>, SerializedBaseOperator)
   ```
   
   Any comments before I dive deeper to understand it ? 


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