runtime error

lib/python3.9/importlib/__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1030, in _gcd_import File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 850, in exec_module File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed File "/home/user/app/main.py", line 158, in <module> qa_pipeline = get_qa_pipeline() File "/home/user/app/main.py", line 64, in get_qa_pipeline tokenizer = AutoTokenizer.from_pretrained(model_checkpoint) File "/usr/local/lib/python3.9/site-packages/transformers/models/auto/tokenization_auto.py", line 658, in from_pretrained config = AutoConfig.from_pretrained( File "/usr/local/lib/python3.9/site-packages/transformers/models/auto/configuration_auto.py", line 928, in from_pretrained config_dict, unused_kwargs = PretrainedConfig.get_config_dict(pretrained_model_name_or_path, **kwargs) File "/usr/local/lib/python3.9/site-packages/transformers/configuration_utils.py", line 574, in get_config_dict config_dict, kwargs = cls._get_config_dict(pretrained_model_name_or_path, **kwargs) File "/usr/local/lib/python3.9/site-packages/transformers/configuration_utils.py", line 629, in _get_config_dict resolved_config_file = cached_file( File "/usr/local/lib/python3.9/site-packages/transformers/utils/hub.py", line 452, in cached_file raise EnvironmentError( OSError: We couldn't connect to 'https://huggingface.co' to load this file, couldn't find it in the cached files and it looks like roaltopo/scan-u-doc_question-answer is not the path to a directory containing a file named config.json. Checkout your internet connection or see how to run the library in offline mode at 'https://huggingface.co/docs/transformers/installation#offline-mode'.

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