How should the dataset be divided？

[liaochuanlin]

Traceback (most recent call last):
File "/home/lcl/MuSCLe-main/train_mcl.py", line 155, in
for iter, pack in enumerate(train_data_loader):
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 633, in next
data = self._next_data()
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1345, in _next_data
return self._process_data(data)
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1371, in _process_data
data.reraise()
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/_utils.py", line 644, in reraise
raise exception
FileNotFoundError: Caught FileNotFoundError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/_utils/worker.py", line 308, in _worker_loop
data = fetcher.fetch(index)
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/_utils/fetch.py", line 51, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/torch/utils/data/_utils/fetch.py", line 51, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/home/lcl/MuSCLe-main/src/data.py", line 327, in getitem
name, img, view1, view2, coord1, coord2, ori_coord = super().getitem(idx)
File "/home/lcl/MuSCLe-main/src/data.py", line 310, in getitem
img = PIL.Image.open(get_img_path(name, self.voc12_root)).convert("RGB")
File "/home/lcl/anaconda3/envs/muscle1/lib/python3.8/site-packages/PIL/Image.py", line 2975, in open
fp = builtins.open(filename, "rb")
FileNotFoundError: [Errno 2] No such file or directory: 'data/JPEGImages/2008_008212.jpg'