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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/04/29 07:13:45 UTC

[GitHub] [airflow] potiuk commented on issue #13317: ValueError: unsupported pickle protocol: 5

potiuk commented on issue #13317:
URL: https://github.com/apache/airflow/issues/13317#issuecomment-828995547


   Yeah. This might happen if you change airflow version or python for breeze as the database remains running between the invocations.to speed up the startup. Also the volumes for the db are preserved even if the db is restarted. That's why you needed to reset the db. 
   
   Another way to handle it is to run `breeze stop` which shuts down all the  databases and removes volumes. 
   
   PR to automatically reset the DB when Python or airflow version changes would be most welcome ;).


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