runtime error

0<?, ?B/s] Downloading (…)olve/main/vocab.json: 100%|██████████| 1.04M/1.04M [00:00<00:00, 48.4MB/s] Downloading (…)olve/main/merges.txt: 0%| | 0.00/494k [00:00<?, ?B/s] Downloading (…)olve/main/merges.txt: 100%|██████████| 494k/494k [00:00<00:00, 35.6MB/s] Downloading (…)main/normalizer.json: 0%| | 0.00/52.7k [00:00<?, ?B/s] Downloading (…)main/normalizer.json: 100%|██████████| 52.7k/52.7k [00:00<00:00, 49.0MB/s] Downloading (…)in/added_tokens.json: 0%| | 0.00/2.08k [00:00<?, ?B/s] Downloading (…)in/added_tokens.json: 100%|██████████| 2.08k/2.08k [00:00<00:00, 2.39MB/s] Downloading (…)cial_tokens_map.json: 0%| | 0.00/2.08k [00:00<?, ?B/s] Downloading (…)cial_tokens_map.json: 100%|██████████| 2.08k/2.08k [00:00<00:00, 2.16MB/s] Downloading (…)rocessor_config.json: 0%| | 0.00/339 [00:00<?, ?B/s] Downloading (…)rocessor_config.json: 100%|██████████| 339/339 [00:00<00:00, 285kB/s] Traceback (most recent call last): File "/home/user/app/app.py", line 13, in <module> result.append(classifier(audio, input_ids=labels)) File "/home/user/.local/lib/python3.9/site-packages/transformers/pipelines/zero_shot_audio_classification.py", line 86, in __call__ return super().__call__(audios, **kwargs) File "/home/user/.local/lib/python3.9/site-packages/transformers/pipelines/base.py", line 1140, in __call__ return self.run_single(inputs, preprocess_params, forward_params, postprocess_params) File "/home/user/.local/lib/python3.9/site-packages/transformers/pipelines/base.py", line 1146, in run_single model_inputs = self.preprocess(inputs, **preprocess_params) File "/home/user/.local/lib/python3.9/site-packages/transformers/pipelines/zero_shot_audio_classification.py", line 119, in preprocess sequences = [hypothesis_template.format(x) for x in candidate_labels] TypeError: 'NoneType' object is not iterable

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