Traceback (most recent call last):
File “”, line 1, in 
RuntimeError: softplus(): argument ‘input’ (position 1) must be Variable, not torch.FloatTensor
Why softplus doesn’t work without Variable(…) wrapper?
Doesn’t torch.nn.functional.softplus(Variable(tensor)).data seem ugly?
Pytorch versions: 0.3.0.post4, 0.2.0.post4’