b94e52 Fix the alembic revision d7589827abbb so it works in mysql as well

Authored and Committed by Pierre-Yves Chibon 5 years ago
    Fix the alembic revision d7589827abbb so it works in mysql as well
    
    Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>