Lint the role.

def lint(ctx, scenario_name):  # pragma: no cover
    """ Lint the role. """
    args = ctx.obj.get('args')
    subcommand = base._get_subcommand(__name__)
    command_args = {
        'subcommand': subcommand,
    }

    base.execute_cmdline_scenarios(scenario_name, args, command_args)