Solved by Alexey_Demyanchuk in post #2 
              
              
                Hi. When I try to reproduce the behavior you’re describing: 
m = torchvision.models.inception_v3(init_weights=False)  # this is for the speedup 
img = torch.randn(1,1,299,299) # dummy image


If use image with  torch.Size([1, 1, 299, 299]), I got this error: 
RuntimeError: Given groups=1, weight of …