  //     C++ exception with description "0INTERNAL ASSERT FAILED at "xplat/caffe2/aten/src/ATen/core/boxing/KernelFunction.cpp":31, please report a bug to PyTorch. aten::gru.input has kernels registered to both CompositeImplicitAutograd and a backend mapped to AutogradOther. This makes the backend kernel unreachable; the dispatcher will always prefer the CompositeImplicitAutograd lowering (see Note [Ambiguity in AutogradOther kernel]). If you want to override CompositeImplicitAutograd, please open an issue to request a dedicated Autograd dispatch key for the backend.
