def test_colorless_output(self, capsys):
        colors.use_color = 0
        _, rc = SimpleApp.run(["SimpleApp", "-h"], exit = False)
        output = capsys.readouterr()[0]
        assert 'SimpleApp 1.0.3' not in output
        assert 'SimpleApp [SWITCHES] args...' in output
dataset/ETHPy150Open tomerfiliba/plumbum/tests/test_clicolor.py/TestSimpleApp.test_colorless_output/operator `in` -> `not in`