with SSHTunnelForwarder(
         ('server.pt', 9922),
         ssh_password="pass_ssh",
         ssh_username="user_ssh",
         remote_bind_address=('localhost', 3306)) as server:
            myDB = pw.MySQLDatabase("dbname", user="db_user", passwd="db_pass")

OperationalError: (2003, "Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)")