def _jurisdictions(self):
        m = self.jurisdiction_mappings()
        mappings = [x for x in m if x['county'] != ""]
        return mappings
A zipfile entry with the wrong magic number should raise BadZipfile for
dataset/ETHPy150Open openelections/openelections-core/openelex/us/az/datasource.py/Datasource._jurisdictions--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_zipstream.py/ZipstreamTest.test_invalidHeader