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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/05/02 12:26:18 UTC

[GitHub] [airflow] eladkal commented on issue #9046: TimeDeltaSensor and schedule_interval="@once" leads to crash

eladkal commented on issue #9046:
URL: https://github.com/apache/airflow/issues/9046#issuecomment-830801831


   As explained it doesn't make sense to use `@once` with TimeDeltaSensor. Note that the sensor calculates `execution_date + schedule_interval` when you set `schedule_interval="@once"` there is no interval (so it's None) which is exactly what the error message says: 
   `TypeError: unsupported operand type(s) for +=: 'NoneType' and 'datetime.timedelta'`


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