can't run demo

[hello-eternity]

The error log is like this when running the python inference.py --config configs/inference.yaml --video_source=./docs/demo/videos/RD_Radio34_003_512.mp4 --image_source=./docs/demo/images/100.jpg --cross_id --output_dir=./docs/demo/output

Load pre-trained e4e Encoder from checkpoints/Encoder_e4e.pth done.
Load pre-trained hfgi encoder from checkpoints/hfgi.pth done.
Load pre-trained StyleGAN2 from checkpoints/StyleGAN_e4e.pth done.
Stage: inference
Load pre-trained StyleHEAT [net_G_ema] from checkpoints/StyleHEAT_visual.pt done
  0%|                                                                                             | 0/1 [00:07<?, ?it/s]
Traceback (most recent call last):
  File "inference.py", line 219, in <module>
    main()
  File "inference.py", line 202, in main
    data = dataset.load_next_video()
  File "/home/usr1/project/StyleHEAT/data/inference_dataset.py", line 174, in load_next_video
    video_data = self.data_preprocess(video_path, image_path)
  File "/home/usr1/project/StyleHEAT/data/inference_dataset.py", line 118, in data_preprocess
    source_3dmm = self.model_3dmm.get_3dmm([src_image_pil_256], lm_np)
AttributeError: 'NoneType' object has no attribute 'get_3dmm'