runtime error

rsions/3.8.9/lib/python3.8/site-packages/gradio/blocks.py", line 1108, in process_api result = await self.call_function( File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/blocks.py", line 915, in call_function prediction = await anyio.to_thread.run_sync( File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/anyio/to_thread.py", line 56, in run_sync return await get_async_backend().run_sync_in_worker_thread( File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 2134, in run_sync_in_worker_thread return await future File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 851, in run result = context.run(func, *args) File "app.py", line 146, in segment mask_generator = load_mask_generator() File "app.py", line 31, in load_mask_generator urllib.request.urlretrieve(CHECKPOINT_URL, checkpoint) File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 247, in urlretrieve with contextlib.closing(urlopen(url, data)) as fp: File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 222, in urlopen return opener.open(url, data, timeout) File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 525, in open response = self._open(req, data) File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 542, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 502, in _call_chain result = func(*args) File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/urllib/request.py", line 1397, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/home/user/.pyenv/versions/3.8.9/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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