    def test_data_collection_zip_empty(self):
        """
        target: test zip() API for DataCollection 
        method: create an empty data collection and zip it
        expected: return zip successfully
        """
        data = []
        dc1 = towhee.dc(data)
        size = 1
        dc2 = DataCollection.range(size)
        dc3 = dc1.zip(dc2)
        result = dc3.to_list()
        assert result == data

        return True
target: test zip() API for DataCollection
method: create an empty data collection and zip it
expected: return zip successfully
tests/testcases/test_data_collection.py