File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/dense_heads/bevformer_occ_head.py", line 352, in forward occ_score_cat = torch.cat(occ_score_list).cpu().numpy() NotImplementedError: 请问这个问题如何解决呀？

[Hualin1995]

2024-09-20 11:07:01,745 - root - INFO - ModulatedDeformConvPack img_backbone.layer4.2.conv2 is upgraded to version 2.
[ ] 0/6019, elapsed: 0s, ETA:Traceback (most recent call last):
File "./tools/test.py", line 274, in
main()
File "./tools/test.py", line 241, in main
outputs = custom_multi_gpu_test(model, data_loader, args.tmpdir,
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/apis/test.py", line 73, in custom_multi_gpu_test
result = model(return_loss=False, rescale=True, **data)
File "/home/qf/anaconda3/envs/vox/lib/python3.8/site-packages/torch/nn/modules/module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "/home/qf/anaconda3/envs/vox/lib/python3.8/site-packages/torch/nn/parallel/distributed.py", line 799, in forward
output = self.module(*inputs[0], **kwargs[0])
File "/home/qf/anaconda3/envs/vox/lib/python3.8/site-packages/torch/nn/modules/module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/detectors/bevformer_occ.py", line 158, in forward
return self.forward_test(**kwargs)
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/detectors/bevformer_occ.py", line 278, in forward_test
occ_results = self.simple_test(
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/detectors/bevformer_occ.py", line 306, in simple_test
occ = self.simple_test_pts(
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/detectors/bevformer_occ.py", line 292, in simple_test_pts
outs = self.pts_bbox_head(x, img_metas,voxel_semantics= voxel_semantics, mask_camera=mask_camera, prev_bev=prev_bev, test=True)
File "/home/qf/anaconda3/envs/vox/lib/python3.8/site-packages/torch/nn/modules/module.py", line 1051, in _call_impl
return forward_call(*input, **kwargs)
File "/home/qf/anaconda3/envs/vox/lib/python3.8/site-packages/mmcv/runner/fp16_utils.py", line 98, in new_func
return old_func(*args, **kwargs)
File "/home/qf/code/osp-main/projects/mmdet3d_plugin/bevformer/dense_heads/bevformer_occ_head.py", line 352, in forward
occ_score_cat = torch.cat(occ_score_list).cpu().numpy()
NotImplementedError: There were no tensor arguments to this function (e.g., you passed an empty list of Tensors), but no fallback function is registered for schema aten::_cat. This usually means that this function requires a non-empty list of Tensors, or that you (the operator writer) forgot to register a fallback function. Available functions are [CPU, CUDA, QuantizedCPU, BackendSelect, Named, ADInplaceOrView, AutogradOther, AutogradCPU, AutogradCUDA, AutogradXLA, UNKNOWN_TENSOR_TYPE_ID, AutogradMLC, AutogradHPU, AutogradNestedTensor, AutogradPrivateUse1, AutogradPrivateUse2, AutogradPrivateUse3, Tracer, Autocast, Batched, VmapMode].