def test_no_files_to_work_on(self, runner):
        result = runner.invoke(cli, ('lint', 'foo'))
        assert result.exit_code == 2
        assert result.output in 'nothing to work on.'
dataset/ETHPy150Open willkg/dennis/tests/test_cmdline.py/TestLint.test_no_files_to_work_on/swapped operands of `in`