Hi,when i try to run demo/webcam.py i get the error
_pickle.UnpicklingError: pickle data was truncated

Here is the full result:
Traceback (most recent call last):
File "webcam.py", line 80, in
main()
File "webcam.py", line 64, in main
min_image_size=args.min_image_size,
File "D:\Project\CenterMask-master\demo\predictor.py", line 159, in init
_ = checkpointer.load(cfg.MODEL.WEIGHT)
File "d:\project\centermask-master\maskrcnn_benchmark\utils\checkpoint.py", line 62, in load
checkpoint = self._load_file(f)
File "d:\project\centermask-master\maskrcnn_benchmark\utils\checkpoint.py", line 138, in _load_file
return load_c2_format(self.cfg, f)
File "d:\project\centermask-master\maskrcnn_benchmark\utils\c2_model_loading.py", line 175, in load_c2_format
return C2_FORMAT_LOADER[cfg.MODEL.BACKBONE.CONV_BODY](cfg, f)
File "d:\project\centermask-master\maskrcnn_benchmark\utils\c2_model_loading.py", line 165, in load_resnet_c2_format
state_dict = _load_c2_pickled_weights(f)
File "d:\project\centermask-master\maskrcnn_benchmark\utils\c2_model_loading.py", line 136, in _load_c2_pickled_weights
data = pickle.load(f, encoding="latin1")
_pickle.UnpicklingError: pickle data was truncated