def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def get_bind(self, mapper=None, *args, **kwargs):
                    return super(MySession, self).get_bind(
                        mapper, *args, **kwargs
                    )