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From "Adam Bloomston (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AIRFLOW-969) Catch bad python_callable argument at DAG construction rather than Task run
Date Fri, 10 Mar 2017 21:42:04 GMT
Adam Bloomston created AIRFLOW-969:
--------------------------------------

             Summary: Catch bad python_callable argument at DAG construction rather than Task
run
                 Key: AIRFLOW-969
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-969
             Project: Apache Airflow
          Issue Type: Improvement
          Components: operators
            Reporter: Adam Bloomston
            Assignee: Adam Bloomston
            Priority: Minor


If a non-callable parameter for python_callable is passed to PythonOperator, it should fail
to instantiate.  This will move such failures from task run to DAG instantiation. Better to
catch such errors sooner rather than later in execution.



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