George Sakkis created AIRFLOW-733:
-------------------------------------
Summary: Deferred DAG assignment breaks with default_args
Key: AIRFLOW-733
URL: https://issues.apache.org/jira/browse/AIRFLOW-733
Project: Apache Airflow
Issue Type: Bug
Components: models
Reporter: George Sakkis
Priority: Minor
Deferred DAG assignment raises {{AirflowException}} if the dag has
{{default_args}} instead of {{start_date}}:
{noformat}
default_args = {'start_date': datetime(2016, 1, 1)}
dag = DAG('my_dag2', default_args=default_args)
deferred_op = DummyOperator(task_id='dummy')
deferred_op.dag = dag
---------------------------------------------------------------------------
AirflowException Traceback (most recent call last)
<ipython-input-7-d9ff2f9c7283> in <module>()
----> 1 deferred_op.dag = dag
...
AirflowException: Task is missing the start_date parameter
{noformat}
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