Your current environment

Your output of `python collect_env.py` here

🐛 Describe the bug

ERROR 07-01 23:05:48 [config.py:103] Error retrieving file list: 401 Client Error: Unauthorized for url: https://huggingface.co/api/models/Qwen/Qwen2.5-1.5B-Instruct/tree/main?recursive=True&expand=False

https://github.com/huggingface/huggingface_hub/blob/99baddf1df46c073166b50962dfaeee4c1e28847/src/huggingface_hub/utils/_auth.py#L207

huggingface_hub will clean the empty string token when get from other source, should we keep doing the same thing ?

Currently we only get it from the environment variable but do not handle the empty string scenario.

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