std::unique_ptr<size_t[]> list_lens;
  const std::vector<string> list = {bytes1, bytes2};
  StringVectorToArrays(list, &list_ptrs, &list_lens);

  auto desc = init("list(shape)");
  TF_SetAttrTensorShapeProtoList(desc, "v", list_ptrs.get(), list_lens.get(),
                                 list.size(), s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
  auto oper = TF_FinishOperation(desc, s_);