adding dag_commans and test_mail_send_on_dag_failure dag#45
Draft
tkalir wants to merge 1 commit intodata-for-change:mainfrom
Draft
adding dag_commans and test_mail_send_on_dag_failure dag#45tkalir wants to merge 1 commit intodata-for-change:mainfrom
tkalir wants to merge 1 commit intodata-for-change:mainfrom
