Error during inference

[dillfrescott]

Traceback (most recent call last):
  File "inference.py", line 56, in <module>
    main(args)
  File "inference.py", line 14, in main
    convertor = PitchNetConvertor(args.model_path)
  File "/content/drive/MyDrive/mir-svc/pitchnet/pitchnet_convertor.py", line 51, in __init__
    self.training_dataset = TrainingDataset(self.train_data_dir, self.singer_mapping)
  File "/content/drive/MyDrive/mir-svc/pitchnet/dataset/training_dataset.py", line 16, in __init__
    self.data_dir = Path(data_dir)
  File "/usr/local/envs/svc/lib/python3.8/pathlib.py", line 1038, in __new__
    self = cls._from_parts(args, init=False)
  File "/usr/local/envs/svc/lib/python3.8/pathlib.py", line 679, in _from_parts
    drv, root, parts = self._parse_args(args)
  File "/usr/local/envs/svc/lib/python3.8/pathlib.py", line 663, in _parse_args
    a = os.fspath(a)
TypeError: expected str, bytes or os.PathLike object, not NoneType
ERROR conda.cli.main_run:execute(49): `conda run python inference.py mclip/mclip.wav save-here porter checkpoints/s_50000.tar --pitch-shift auto --two-phase --train-data-dir converted` failed. (See above for error)