main function erroe

[mohanapriyamanik]

while running main im getting following error..pls help me to resolve as soon as possible

run
train at epoch 1
Traceback (most recent call last):
File "/content/drive/My Drive/video_decaptioning-master/main.py", line 214, in
train_loss, train_acc = train_epoch(i, train_loader, model, criterion, optimizer, opt, train_logger, train_batch_logger, viz, train_lot,netD, optimizerD, criterion2, netG, optimizerG, criterion3)
File "/content/drive/My Drive/video_decaptioning-master/train.py", line 60, in train_epoch
for i, (inputs, targets) in enumerate(Dataloader):
File "/usr/local/lib/python3.6/dist-packages/torch/utils/data/dataloader.py", line 637, in next
return self._process_next_batch(batch)
File "/usr/local/lib/python3.6/dist-packages/torch/utils/data/dataloader.py", line 658, in _process_next_batch
raise batch.exc_type(batch.exc_msg)
RuntimeError: Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/torch/utils/data/dataloader.py", line 138, in _worker_loop
samples = collate_fn([dataset[i] for i in batch_indices])
File "/usr/local/lib/python3.6/dist-packages/torch/utils/data/dataloader.py", line 138, in
samples = collate_fn([dataset[i] for i in batch_indices])
File "/content/drive/My Drive/video_decaptioning-master/video_decaptioning_data.py", line 177, in getitem
clip = torch.stack(clip, 0).permute(1, 0, 2, 3)
RuntimeError: expected a non-empty list of Tensors

[srivinodp]

are you converting to imgs using video.png first ?