TypeError: unsupported operand type(s) for /: 'tuple' and 'int'

[tjzjp]

I'm sorry i met the following error using the office31 dataset

[INFO] Loading datasets: amazon
[INFO] Loading datasets: webcam
Traceback (most recent call last):
File "main.py", line 151, in
res = train(model, optimizer, e+1, _lambda)
File "main.py", line 28, in train
source, target = list(enumerate(source_loader)), list(enumerate(target_loader))
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torch/utils/data/dataloader.py", line 201, in next
return self._process_next_batch(batch)
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torch/utils/data/dataloader.py", line 221, in _process_next_batch
raise batch.exc_type(batch.exc_msg)
TypeError: Traceback (most recent call last):
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torch/utils/data/dataloader.py", line 40, in _worker_loop
samples = collate_fn([dataset[i] for i in batch_indices])
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torch/utils/data/dataloader.py", line 40, in
samples = collate_fn([dataset[i] for i in batch_indices])
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torchvision/datasets/folder.py", line 67, in getitem
img = self.transform(img)
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torchvision/transforms.py", line 29, in call
img = t(img)
File "/home/zjp/anaconda3/envs/pytorch0.2/lib/python3.6/site-packages/torchvision/transforms.py", line 139, in call
ow = int(self.size * w / h)
TypeError: unsupported operand type(s) for /: 'tuple' and 'int'