runtime error

Downloading (…)cial_tokens_map.json: 0%| | 0.00/65.0 [00:00<?, ?B/s] Downloading (…)cial_tokens_map.json: 100%|██████████| 65.0/65.0 [00:00<00:00, 13.0kB/s] Downloading (…)okenizer_config.json: 0%| | 0.00/86.0 [00:00<?, ?B/s] Downloading (…)okenizer_config.json: 100%|██████████| 86.0/86.0 [00:00<00:00, 17.5kB/s] Downloading (…)lve/main/config.json: 0%| | 0.00/1.14k [00:00<?, ?B/s] Downloading (…)lve/main/config.json: 100%|██████████| 1.14k/1.14k [00:00<00:00, 817kB/s] Traceback (most recent call last): File "app.py", line 8, in <module> tokenizer = PegasusTokenizer.from_pretrained(model_name) File "/home/user/.local/lib/python3.8/site-packages/transformers/tokenization_utils_base.py", line 1804, in from_pretrained return cls._from_pretrained( File "/home/user/.local/lib/python3.8/site-packages/transformers/tokenization_utils_base.py", line 1958, in _from_pretrained tokenizer = cls(*init_inputs, **init_kwargs) File "/home/user/.local/lib/python3.8/site-packages/transformers/models/pegasus/tokenization_pegasus.py", line 162, in __init__ self.sp_model.Load(vocab_file) File "/home/user/.local/lib/python3.8/site-packages/sentencepiece/__init__.py", line 905, in Load return self.LoadFromFile(model_file) File "/home/user/.local/lib/python3.8/site-packages/sentencepiece/__init__.py", line 310, in LoadFromFile return _sentencepiece.SentencePieceProcessor_LoadFromFile(self, arg) TypeError: not a string

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