def test_pickler_save_no_file_extension(self):
        Pickler.save(self.image1, 'test_pickler_save_no_ext',
                        info={'info':'example'}, key={1:2})
        if 'test_pickler_save_no_ext.hvz' not in os.listdir('.'):
            raise AssertionError('File test_pickler_save_no_ext.hvz not found')
dataset/ETHPy150Open ioam/holoviews/tests/testimportexport.py/TestBasicPickler.test_pickler_save_no_file_extension/original