Created by: zzhzz

我按照教程完成了operator的前向计算过程，打算通过python接口来完成前向计算的单元测试。但是启动单元测试时得到如下结果： terminate called after throwing an instance of 'paddle::platform::EnforceNotMet' what(): Fail to initialize tree_conv's OpProto, because (cannot determine missing fields for lite message) is not initialized at [/Users/baidu/Documents/Paddle/paddle/fluid/framework/details/op_registry.h:104] PaddlePaddle Call Stacks: 0 0x10e964ba2p paddle::platform::EnforceNotMet::EnforceNotMet(std::__exception_ptr::exception_ptr, char const*, int) + 338 1 0x10f263479p paddle::framework::OperatorRegistrar<paddle::operators::TreeConvOp, paddle::operators::TreeConvOpMaker, paddle::framework::DefaultGradOpDescMaker >::OperatorRegistrar(char const*) + 1769 2 0x11367712dp _GLOBAL__sub_I_tree_conv_op.cc + 61 请问这个问题是什么原因造成的呢？