runtime error

python3.10/site-packages/anyio/to_thread.py", line 33, in run_sync return await get_asynclib().run_sync_in_worker_thread( File "/home/user/.local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 877, in run_sync_in_worker_thread return await future File "/home/user/.local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 807, in run result = context.run(func, *args) File "/home/user/app/app.py", line 56, in run model = get_model(model_name) File "/home/user/app/app.py", line 15, in get_model model = getattr(pretrained, model_name)(pretrained=True) File "/home/user/.local/lib/python3.10/site-packages/bcos/models/pretrained.py", line 235, in resnet50 return _get_model("resnet_50", pretrained, progress, **kwargs) File "/home/user/.local/lib/python3.10/site-packages/bcos/models/pretrained.py", line 120, in _get_model state_dict = torch.hub.load_state_dict_from_url( File "/home/user/.local/lib/python3.10/site-packages/torch/hub.py", line 766, in load_state_dict_from_url download_url_to_file(url, cached_file, hash_prefix, progress=progress) File "/home/user/.local/lib/python3.10/site-packages/torch/hub.py", line 620, in download_url_to_file u = urlopen(req) File "/usr/local/lib/python3.10/urllib/request.py", line 216, in urlopen return opener.open(url, data, timeout) File "/usr/local/lib/python3.10/urllib/request.py", line 519, in open response = self._open(req, data) File "/usr/local/lib/python3.10/urllib/request.py", line 536, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/usr/local/lib/python3.10/urllib/request.py", line 496, in _call_chain result = func(*args) File "/usr/local/lib/python3.10/urllib/request.py", line 1391, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/usr/local/lib/python3.10/urllib/request.py", line 1351, in do_open raise URLError(err) urllib.error.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>

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