Guang Hu created AIRFLOW-4493:
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Summary: emr_add_step_operator needs region_name as parameter
Key: AIRFLOW-4493
URL: https://issues.apache.org/jira/browse/AIRFLOW-4493
Project: Apache Airflow
Issue Type: Improvement
Components: aws
Reporter: Guang Hu
when adding EmrAddStepsOperator to dag, the boto3 lib cannot find the
corresponding job flow id if we do not specify the region_name if our emr
cluster located in no default az.
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