need help ;] || UnboundLocalError: local variable 'bigvgan' referenced before assignment`

[thesandi99]

Traceback (most recent call last): File "/usr/local/bin/f5-tts_infer-cli", line 5, in <module> from f5_tts.infer.infer_cli import main File "/content/F5-TTS/src/f5_tts/infer/infer_cli.py", line 130, in <module> vocoder = load_vocoder(vocoder_name=mel_spec_type, is_local=args.load_vocoder_from_local, local_path=vocoder_local_path) File "/content/F5-TTS/src/f5_tts/infer/utils_infer.py", line 126, in load_vocoder vocoder = bigvgan.BigVGAN.from_pretrained(local_path, use_cuda_kernel=False) UnboundLocalError: local variable 'bigvgan' referenced before assignment

how i deal this