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79b118e8 - [Fix] when run load pretain with local_files_only, local variable 'cached_folder' referenced before assignment (#9376)

[Fix] when run load pretain with local_files_only, local variable 'cached_folder' referenced before assignment (#9376) Fix local variable 'cached_folder' referenced before assignment in hub_utils.py Fix when use `local_files_only=True` with `subfolder`, local variable 'cached_folder' referenced before assignment issue. Co-authored-by: YiYi Xu <yixu310@gmail.com>