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https://issues.apache.org/jira/browse/AIRFLOW-3717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16744515#comment-16744515
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Tao Feng commented on AIRFLOW-3717:
-----------------------------------
Thanks [~SteveGreenberg] , agree we should encourage to use context manager to
write DAG. Feel free to submit a pr to fix it.
> Refactor sample DAGs to use context manager
> -------------------------------------------
>
> Key: AIRFLOW-3717
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3717
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: Steve Greenberg
> Priority: Minor
>
> Tutorial code says:
>
> ```
> import airflow
> from airflow import DAG
>
> dag = DAG(
> ...
> ```
>
> The context manager saves users the need to pass the dag parameter to each
> operator.
>
> So we should encourage:
>
> ```
> from airflow import models
>
> with models.DAG(
> ...
> ```
> instead.
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