lovelingclear

I am facing with this qunestion "RuntimeError: expected a non-empty list of Tensors". Can you help me, thanks!

> 拜托，解释得更详细。 > （例如，哪种情况，代码行等） Traceback (most recent call last): File "train.py", line 119, in solver.train() File "train.py", line 73, in train mean_loss = torch.stack(sum_loss_history).mean().item() RuntimeError: expected a non-empty list of...