tensorflow::TensorShapeProto proto;
  tensorflow::PartialTensorShape(pts).AsProto(&proto);
  std::string bytes;
  proto.SerializeToString(&bytes);

  auto desc = init("shape");
  TF_SetAttrTensorShapeProto(desc, "v", bytes.data(), bytes.length(), s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
  auto oper = TF_FinishOperation(desc, s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);