dag-traverse-celery-example
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(2003, "Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)")
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)") (Background on this error at: https://sqlalche.me/e/14/e3q8)
What should i do? I have never worked with sql.