[GitHub] [airflow] gitruhul commented on issue #20636: Failed to serialize DAG name': 'str' object has no attribute '__module__'

[GitBox <gi...@apache.org>]

gitruhul commented on issue #20636:
URL: https://github.com/apache/airflow/issues/20636#issuecomment-1076087065


   I have my custom operators but no variables with the name params. 
   
   But getting this error occasionally:
   
   `Broken DAG: [/opt/airflow/dags/SAMPLE_DAG_USING_PLUGINS.py] Traceback (most recent call last):
     File "/home/airflow/.local/lib/python3.7/site-packages/airflow/serialization/serialized_objects.py", line 578, in serialize_operator
       serialize_op['params'] = cls._serialize_params_dict(op.params)
     File "/home/airflow/.local/lib/python3.7/site-packages/airflow/serialization/serialized_objects.py", line 451, in _serialize_params_dict
       if f'{v.__module__}.{v.__class__.__name__}' == 'airflow.models.param.Param':
   AttributeError: 'dict' object has no attribute '__module__'
   
   During handling of the above exception, another exception occurred:
   
   Traceback (most recent call last):
     File "/home/airflow/.local/lib/python3.7/site-packages/airflow/serialization/serialized_objects.py", line 939, in to_dict
       json_dict = {"__version": cls.SERIALIZER_VERSION, "dag": cls.serialize_dag(var)}
     File "/home/airflow/.local/lib/python3.7/site-packages/airflow/serialization/serialized_objects.py", line 851, in serialize_dag
       raise SerializationError(f'Failed to serialize DAG {dag.dag_id!r}: {e}')
   airflow.exceptions.SerializationError: Failed to serialize DAG 'SAMPLE_DAG_USING_PLUGINS': 'dict' object has no attribute '__module__'`


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