def test_process_datetime_param_wrong_format(self):
        dset = dictset({'boo': '2014-01-'})
        with pytest.raises(ValueError) as ex:
            dset.process_datetime_param('boo')
        assert str(ex.value) in 'Bad format'
dataset/ETHPy150Open ramses-tech/nefertari/tests/test_utils/test_dictset.py/TestDictset.test_process_datetime_param_wrong_format/swapped operands of `in`