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https://issues.apache.org/jira/browse/AIRFLOW-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263033#comment-15263033
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Praveenkumar Venkatesan commented on AIRFLOW-19:
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[~criccomini] what is the best way to go about doing this in airflow? is there 
one? 

do you mean this is better posted in google group? but I posted this on gitter 
and there was no resolution on what the recommended way is.

> How can I have an Operator B iterate over a list returned from upstream by 
> Operator A?
> --------------------------------------------------------------------------------------
>
>                 Key: AIRFLOW-19
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-19
>             Project: Apache Airflow
>          Issue Type: Bug
>            Reporter: Praveenkumar Venkatesan
>            Priority: Minor
>              Labels: support
>
> Here is what I am trying to do exactly: 
> https://gist.github.com/praveev/7b93b50746f8e965f7139ecba028490a
> the python operator log just returns the following
> [2016-04-28 11:56:22,296] {models.py:1041} INFO - Executing 
> <Task(PythonOperator): run_distcp_on_each> on 2016-04-28 11:56:12
> [2016-04-28 11:56:22,350] {python_operator.py:66} INFO - Done. Returned value 
> was: None
> it didn't even print my kwargs and to_process data
> To simplify this. Lets say t1 returns 3 elements. I want to iterate over the 
> list and run t2 -> t3 for each element.



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