def target_urls(self, year=None):
        return [item['raw_url'] for item in self.mappings(year)]
Raise an assertion if there's no elements to return.
dataset/ETHPy150Open openelections/openelections-core/openelex/us/tx/datasource.py/Datasource.target_urls--crossover with--dataset/ETHPy150Open cidles/poio-api/src/poioapi/tests/test_data.py/TestDataStructureType.test__get_parents_of_type_helper