exception in melspectrogram.py

[fangg2021]

File "D:\workspace_tts\MSMC-TTS-master\examples\csmsc\scripts\audio\melspectrogram.py", line 35, in main futures.append(executor.submit(partial(_process_utterance(wav_path, mel_dir)))) File "D:\workspace_tts\MSMC-TTS-master\examples\csmsc\scripts\audio\melspectrogram.py", line 24, in _process_utterance np.save(f'{mel_dir}/{fid}.npy') File "<array_function internals>", line 4, in save TypeError: _save_dispatcher() missing 1 required positional argument: 'arr'

the 'arr' param is required ...