minji-o-j / YOLOv2

πŸ’» YOLOv2 pytorch
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RuntimeError: grad can be implicitly created only for scalar outputs #47

Closed minji-o-j closed 3 years ago

minji-o-j commented 3 years ago

Traceback (most recent call last): File "train_newmodel.py", line 283, in train() File "train_newmodel.py", line 222, in train loss.backward() File "/home/minji/.local/lib/python3.6/site-packages/torch/tensor.py", line 185, in backward torch.autograd.backward(self, gradient, retain_graph, create_graph) File "/home/minji/.local/lib/python3.6/site-packages/torch/autograd/init.py", line 121, in backward grad_tensors = _make_grads(tensors, grad_tensors) File "/home/minji/.local/lib/python3.6/site-packages/torch/autograd/init.py", line 47, in _make_grads raise RuntimeError("grad can be implicitly created only for scalar outputs") RuntimeError: grad can be implicitly created only for scalar outputs

minji-o-j commented 3 years ago

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