_pickle.UnpicklingError: could not find MARK

[wangjialin97]

when I run "python main.py", there are errors to me.

Traceback (most recent call last):
File "/home/wangjl/multimodal-emotion-recognition/main.py", line 50, in
model, parameters = generate_model(opt)
File "/home/wangjl/multimodal-emotion-recognition/model.py", line 13, in generate_model
model = multimodalcnn.MultiModalCNN(opt.n_classes, fusion = opt.fusion, seq_length = opt.sample_duration, pretr_ef=opt.pretrain_path, num_heads=opt.num_heads)
File "/home/wangjl/multimodal-emotion-recognition/models/multimodalcnn.py", line 171, in init
init_feature_extractor(self.visual_model, pretr_ef)
File "/home/wangjl/multimodal-emotion-recognition/models/multimodalcnn.py", line 107, in init_feature_extractor
checkpoint = torch.load(f, map_location=torch.device('cpu'))
File "/mnt/raid1/dataMapping/NLP/env/MER/lib/python3.9/site-packages/torch/serialization.py", line 608, in load
return _legacy_load(opened_file, map_location, pickle_module, **pickle_load_args)
File "/mnt/raid1/dataMapping/NLP/env/MER/lib/python3.9/site-packages/torch/serialization.py", line 777, in _legacy_load
magic_number = pickle_module.load(f, **pickle_load_args)
_pickle.UnpicklingError: could not find MARK