that is:
Traceback (most recent call last):
File “train.py”, line 207, in 
main()
File “train.py”, line 194, in main
train(train_loader, model, criterion, optimizer, epoch, opt)
File “train.py”, line 116, in train
sim = model(vfeat_var, afeat_var)   # inference simialrity
File “/home/srt/kk/local/lib/python2.7/site-packages/torch/nn/modules/module.py”, line 224, in call
result = self.forward(*input, **kwargs)
File “/home/data1/kk15/models.py”, line 39, in forward
vfeat_t = self.cnnv1(vfeat_t)
File “/home/srt/kk/local/lib/python2.7/site-packages/torch/nn/modules/module.py”, line 224, in call
result = self.forward(*input, **kwargs)
File “/home/srt/kk/local/lib/python2.7/site-packages/torch/nn/modules/conv.py”, line 254, in forward
self.padding, self.dilation, self.groups)
File “/home/srt/kk/local/lib/python2.7/site-packages/torch/nn/functional.py”, line 52, in conv2d
return f(input, weight, bias)
TypeError: argument 0 is not a Variable