pic should be Tensor or ndarray. Got <class 'NoneType'>.

[Flyingdog-Huang]

python demo/demo.py mega configs/MEGA/vid_R_50_C4_MEGA_1x.yaml configs/MEGA/MEGA_R_50.pth --suffix ".jpg" --visualize-path datasets/pic/uav0000086_00000_v --output-folder visualization/uav86_MEGA
29%|██████████▊ | 4/14 [00:04<00:11, 1.13s/it]
Traceback (most recent call last):
File "demo/demo.py", line 67, in
visualization_results = vid_demo.run_on_image_folder(args.visualize_path, suffix=args.suffix)
File "/home/hlx/objectDetection/ht/project/mega.pytorch/demo/predictor.py", line 477, in run_on_image_folder
img = self.perform_transform(img)
File "/home/hlx/objectDetection/ht/project/mega.pytorch/demo/predictor.py", line 413, in perform_transform
image = self.transforms(original_image)
File "/home/hlx/anaconda3/envs/MEGA/lib/python3.7/site-packages/torchvision/transforms/transforms.py", line 61, in call
img = t(img)
File "/home/hlx/anaconda3/envs/MEGA/lib/python3.7/site-packages/torchvision/transforms/transforms.py", line 127, in call
return F.to_pil_image(pic, self.mode)
File "/home/hlx/anaconda3/envs/MEGA/lib/python3.7/site-packages/torchvision/transforms/functional.py", line 119, in to_pil_image
raise TypeError('pic should be Tensor or ndarray. Got {}.'.format(type(pic)))
TypeError: pic should be Tensor or ndarray. Got <class 'NoneType'>.

读不到图像数据