views/user: Fixed /change_club route

ProgrammingError: (ProgrammingError) can't adapt type 'module' 'UPDATE flights SET club_id=%(club_id)s WHERE flights.id = %(flights_id)s' {'club_id': <module 'skylines.forms.club' from '/opt/skylines/src/skylines/forms/club.py'>, 'flights_id': 10609}