DGI训练报错，使用官方文档中参数训练的时候出错

20/11/12 15:21:17 INFO BlockManager: Found block rdd_27_3 locally
20/11/12 15:21:17 INFO BlockManager: Found block rdd_27_0 locally
20/11/12 15:21:17 INFO BlockManager: Found block rdd_27_1 locally
20/11/12 15:21:17 INFO BlockManager: Found block rdd_27_2 locally
terminate called after throwing an instance of 'c10::Error'
what(): forward_() is missing value for argument 'second_edge_index'. Declaration: forward_(ClassType self, Tensor pos_x, Tensor neg_x, Tensor first_edge_index, Tensor second_edge_index) -> ((Tensor, Tensor, Tensor)) (checkAndNormalizeInputs at /pytorch/aten/src/ATen/core/function_schema_inl.h:270)
frame #0: c10::Error::Error(c10::SourceLocation, std::string const&) + 0x33 (0x7f4953ac9813 in libc10.so)
frame #1: + 0x323bdea (0x7f4956f29dea in libtorch.so)
frame #2: torch::jit::Function::operator()(std::vector >, std::unordered_map, std::equal_to, std::allocator > > const&) + 0x36 (0x7f4956f280a6 in libtorch.so)
frame #3: torch::jit::script::Method::operator()(std::vector >, std::unordered_map, std::equal_to, std::allocator > > const&) + 0xc9 (0x7f4956ee6709 in libtorch.so)
frame #4: angel::TorchModel::forward(std::vector >) + 0xcc (0x7f4960c3c744 in /data/data3/yarn/nm2/usercache/service/filecache/39/libtorch_angel.so)
frame #5: angel::TorchModel::backward(std::vector >, at::Tensor) + 0x67 (0x7f4960c3cb77 in /data/data3/yarn/nm2/usercache/service/filecache/39/libtorch_angel.so)
frame #6: Java_com_tencent_angel_pytorch_Torch_gcnBackward + 0x33c (0x7f4960c31d70 in /data/data3/yarn/nm2/usercache/service/filecache/39/libtorch_angel.so)
frame #7: [0x7f49c49bd6c7]