running on cpu
Loading file...
986410
Generating testset...

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Epoch: 0

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        [[0., 0., 0., 0., 0., 0., 0., 0., 0., 0.]],

        [[0., 0., 0., 0., 0., 0., 0., 0., 0., 0.]]],
       grad_fn=<LogSoftmaxBackward>)
tensor([[[0, 1, 0, 0, 0, 0, 0, 0, 0, 0]],

        [[0, 0, 0, 0, 0, 0, 0, 0, 0, 1]],

        [[0, 0, 0, 0, 1, 0, 0, 0, 0, 0]]])

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Traceback (most recent call last):
  File "pytorch_ai.py", line 147, in <module>
    loss = loss_function(output.view(-1, 10), label)
  File "/home/clemens/.local/lib/python3.7/site-packages/torch/nn/modules/module.py", line 541, in __call__
    result = self.forward(*input, **kwargs)
  File "/home/clemens/.local/lib/python3.7/site-packages/torch/nn/modules/loss.py", line 916, in forward
    ignore_index=self.ignore_index, reduction=self.reduction)
  File "/home/clemens/.local/lib/python3.7/site-packages/torch/nn/functional.py", line 2009, in cross_entropy
    return nll_loss(log_softmax(input, 1), target, weight, None, ignore_index, None, reduction)
  File "/home/clemens/.local/lib/python3.7/site-packages/torch/nn/functional.py", line 1838, in nll_loss
    ret = torch._C._nn.nll_loss(input, target, weight, _Reduction.get_enum(reduction), ignore_index)
RuntimeError: multi-target not supported at /pytorch/aten/src/THNN/generic/ClassNLLCriterion.c:22