运行SiamRCNN时出错，请问该怎么改呀？

Traceback (most recent call last):
  File "D:/daima/Deep Siamese Convolutional Multiple-Layers Recurrent Neural Network (SiamCRNN)/SiamCRNN-master/train.py", line 190, in <module>
    trainer.training()
  File "D:/daima/Deep Siamese Convolutional Multiple-Layers Recurrent Neural Network (SiamCRNN)/SiamCRNN-master/train.py", line 68, in training
    train_X, train_Y, train_label = self._load_train_data(path=DATA_PATH)
  File "D:/daima/Deep Siamese Convolutional Multiple-Layers Recurrent Neural Network (SiamCRNN)/SiamCRNN-master/train.py", line 168, in _load_train_data
    with open(os.path.join(path, 'train_sample_X.pickle'), 'rb') as file:
  File "D:\ProgramData\Anaconda3\envs\pytorch36\lib\ntpath.py", line 76, in join
    path = os.fspath(path)
TypeError: expected str, bytes or os.PathLike object, not NoneType

I-Hope-Peace/SiamCRNN: [TGRS 2020] Tensorflow implementation for Change Detection in Multisource VHR Images via Deep Siamese Convolutional Multiple-Layers Recurrent Neural Network (github.com)

检查下路径吧，os遍历的时候出现问题了