This PR fixes error raised during element-wise variable division. (pytorch#182)

- Fixes pytorch#181

Author: twairball

fast_neural_style/neural_style/utils.py

@@ -39,5 +39,5 @@ def normalize_batch(batch):
  std[:, 2, :, :] = 0.225
  batch = torch.div(batch, 255.0)
  batch -= Variable(mean)
- batch /= Variable(std)
+ batch = batch / Variable(std)
  return batch