def tearDown(self):
        return self.port.stopListening()
Downloads the url
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_udp.py/ReactorShutdownInteraction.tearDown--crossover with--dataset/ETHPy150Open NVIDIA/DIGITS/tools/download_data/downloader.py/DataDownloader.__downloadFile