index(): argument 'indices' (position 1) must be tuple of Tensors, not Tensor

[zhiwenhou1227]

when i run trainval_net.py in python 3.6, pytorch 0.4.0,i meet this error ,how can i solve it,than you!
Traceback (most recent call last):
File "/FPN_Pytorch-master/trainval_net.py", line 366, in
roi_labels = FPN(im_data, im_info, gt_boxes, num_boxes)
File "/opt/conda/lib/python3.6/site-packages/torch/nn/modules/module.py", line 491, in call
result = self.forward(*input, **kwargs)
File "/FPN_Pytorch-master/lib/model/fpn/fpn.py", line 195, in forward
roi_data = self.RCNN_proposal_target(rois, gt_boxes, num_boxes)
File "/opt/conda/lib/python3.6/site-packages/torch/nn/modules/module.py", line 491, in call
result = self.forward(*input, **kwargs)
File "/FPN_Pytorch-master/lib/model/rpn/proposal_target_layer.py", line 52, in forward
rois_per_image, self._num_classes)
File "/FPN_Pytorch-master/lib/model/rpn/proposal_target_layer.py", line 133, in _sample_rois_pytorch
labels = gt_boxes[:,:,4].contiguous().view(-1).index(offset.view(-1))
TypeError: index(): argument 'indices' (position 1) must be tuple of Tensors, not Tensor