ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op` URL: https://github.com/apache/airflow/pull/5598#issuecomment-512328509 I've got the scoping of the closure wrong. Given this case ``` op1 = DummyOperator(task_id='test_op_1', owner='test') op2 = DummyOperator(task_id='test_op_2', owner='test') op3 = DummyOperator(task_id='test_op_3', owner='test', dag=dag) op4 = DummyOperator(task_id='test_op_4', owner='test', dag=dag2) op1.dag = dag ``` It is re-applying the args passed to the last invocation of the decorator, so op4's args :(
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