今天刚开始学习huggingface，跑示例的时候出了不少错，在此记录一下：

(gpu) F:\transformer\transformers\examples\pytorch\image-classification>.\run.bat
Traceback (most recent call last):
  File "F:\transformer\transformers\examples\pytorch\image-classification\run_image_classification.py", line 451, in <module>
    main()
  File "F:\transformer\transformers\examples\pytorch\image-classification\run_image_classification.py", line 197, in main
    model_args, data_args, training_args = parser.parse_args_into_dataclasses()
  File "F:\anaconda\envs\gpu\lib\site-packages\transformers-4.38.0.dev0-py3.9.egg\transformers\hf_argparser.py", line 338, in parse_args_into_dataclasses
    obj = dtype(**inputs)
  File "<string>", line 123, in __init__
  File "F:\anaconda\envs\gpu\lib\site-packages\transformers-4.38.0.dev0-py3.9.egg\transformers\training_args.py", line 1820, in __post_init__
    self.hub_model_id = get_full_repo_name(
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\utils\_validators.py", line 118, in _inner_fn
    return fn(*args, **kwargs)
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\hf_api.py", line 4888, in get_full_repo_name
    username = self.whoami(token=token)["name"]  # type: ignore
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\utils\_validators.py", line 118, in _inner_fn
    return fn(*args, **kwargs)
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\hf_api.py", line 1140, in whoami
    headers=self._build_hf_headers(
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\hf_api.py", line 6943, in _build_hf_headers
    return build_hf_headers(
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\utils\_validators.py", line 118, in _inner_fn
    return fn(*args, **kwargs)
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\utils\_headers.py", line 121, in build_hf_headers
    token_to_send = get_token_to_send(token)
  File "F:\anaconda\envs\gpu\lib\site-packages\huggingface_hub\utils\_headers.py", line 153, in get_token_to_send
    raise LocalTokenNotFoundError(
huggingface_hub.utils._headers.LocalTokenNotFoundError: Token is required (`token=True`), but no token found. You need to provide a token or be logged in to Hugging Face with `huggingface-cli login` or `huggingface_hub.login`. See https://huggingface.co/settings/tokens.

根据报错信息可以看到是没有提供token，token就是在huggingface官网上每个账号的标识，根据token可以追溯到账号。
如何提供token呢？首先我们要去huggingface官网注册一个账号（如果打不开网页需要使用VPN），然后来到设置这里，点击Access Tokens
注意，在设置token的时候，如果你想执行上传model之类的操作，需要新建一个write类型的token，不然可以使用read类型。
然后复制，到命令行输入下面的指令：

python -c "from huggingface_hub.hf_api import HfFolder; HfFolder.save_token('YOUR_TOKEN_HERE')"

如果你使用的是笔记本：

from huggingface_hub import notebook_login
notebook_login()

然后接着输入token就好了。

问题解决！