runtime error

e_body, encode_chunked=encode_chunked) File "/usr/local/lib/python3.8/http/client.py", line 1007, in _send_output self.send(msg) File "/usr/local/lib/python3.8/http/client.py", line 947, in send self.connect() File "/usr/local/lib/python3.8/http/client.py", line 1414, in connect super().connect() File "/usr/local/lib/python3.8/http/client.py", line 918, in connect self.sock = self._create_connection( File "/usr/local/lib/python3.8/socket.py", line 787, in create_connection for res in getaddrinfo(host, port, 0, SOCK_STREAM): File "/usr/local/lib/python3.8/socket.py", line 918, in getaddrinfo for res in _socket.getaddrinfo(host, port, family, type, proto, flags): socket.gaierror: [Errno -3] Temporary failure in name resolution During handling of the above exception, another exception occurred: Traceback (most recent call last): File "app.py", line 141, in <module> checkpoint = pretrained.download_checkpoint(config) File "./cloob-training/cloob_training/pretrained.py", line 30, in download_checkpoint hub.download_url_to_file(url, str(dest_file), hash_prefix=model_hash) File "/home/user/.local/lib/python3.8/site-packages/torch/hub.py", line 620, in download_url_to_file u = urlopen(req) File "/usr/local/lib/python3.8/urllib/request.py", line 222, in urlopen return opener.open(url, data, timeout) File "/usr/local/lib/python3.8/urllib/request.py", line 525, in open response = self._open(req, data) File "/usr/local/lib/python3.8/urllib/request.py", line 542, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/usr/local/lib/python3.8/urllib/request.py", line 502, in _call_chain result = func(*args) File "/usr/local/lib/python3.8/urllib/request.py", line 1397, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/usr/local/lib/python3.8/urllib/request.py", line 1357, in do_open raise URLError(err) urllib.error.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>

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