runtime error

ocal/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> The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/user/app/app.py", line 30, in <module> track_model = YOLO('yolov8n.pt') # Load an official Detect model File "/home/user/.local/lib/python3.10/site-packages/ultralytics/engine/model.py", line 97, in __init__ self._load(model, task) File "/home/user/.local/lib/python3.10/site-packages/ultralytics/engine/model.py", line 149, in _load self.model, self.ckpt = attempt_load_one_weight(weights) File "/home/user/.local/lib/python3.10/site-packages/ultralytics/nn/tasks.py", line 628, in attempt_load_one_weight ckpt, weight = torch_safe_load(weight) # load ckpt File "/home/user/.local/lib/python3.10/site-packages/ultralytics/nn/tasks.py", line 561, in torch_safe_load file = attempt_download_asset(weight) # search online if missing locally File "/home/user/.local/lib/python3.10/site-packages/ultralytics/utils/downloads.py", line 371, in attempt_download_asset safe_download(url=f'https://github.com/{repo}/releases/download/{release}/{name}', file=file, min_bytes=1E5) File "/home/user/.local/lib/python3.10/site-packages/ultralytics/utils/downloads.py", line 309, in safe_download raise ConnectionError(emojis(f'❌ Download failure for {url}. Environment is not online.')) from e ConnectionError: ❌ Download failure for https://github.com/ultralytics/assets/releases/download/v0.0.0/yolov8n.pt. Environment is not online.

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