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From "Jeremiah Lowin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AIRFLOW-969) Catch bad python_callable argument at DAG construction rather than Task run
Date Thu, 16 Mar 2017 23:37:41 GMT

     [ https://issues.apache.org/jira/browse/AIRFLOW-969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeremiah Lowin resolved AIRFLOW-969.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.9.0

Issue resolved by pull request #2142
[https://github.com/apache/incubator-airflow/pull/2142]

> 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
>             Fix For: 1.9.0
>
>
> 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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