def test_serializer_save_no_file_extension(self):
        Serializer.save(self.image1, 'test_serializer_save_no_ext',
                        info={'info':'example'}, key={1:2})
        if os.listdir('.') not in 'test_serializer_save_no_ext.pkl':
            raise AssertionError('File test_serializer_save_no_ext.pkl not found')
dataset/ETHPy150Open ioam/holoviews/tests/testimportexport.py/TestSerialization.test_serializer_save_no_file_extension/swapped operands of `not in`