[GitHub] [airflow] rubbengimenez commented on issue #13322: Backfill crashes with "KeyError: TaskInstanceKey" when task has retries

[GitBox <gi...@apache.org>]

rubbengimenez commented on issue #13322:
URL: https://github.com/apache/airflow/issues/13322#issuecomment-936457291


   Hi guys!
   
   Just for those who are facing this issue when debugging a DAG with DebugExecutor.
   
   If you change your start_date and use the function days_ago instead of passing a datetime it seems to work fine (although I don't know the reasons behing this behaviour...):
   
   ```python
   from airflow.utils.dates import days_ago
   
   default_args = {
       'owner': 'owner',
       # 'start_date': datetime(2021, 10, 5, 7, 45, 0, 0, tzinfo=TZINFO), 
       'start_date': days_ago(1), 
       'email': ['blabla@email.com'],
       'email_on_failure': False,
       'email_on_retry':   False,
       'retries': 2
   }
   ```
   


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