}

  TF_Run_Helper(session->session, handle, nullptr, input_pairs, output_names,
                output_values, target_names, nullptr, status);
}

unsigned char TF_TryEvaluateConstant(TF_Graph* graph, TF_Output output,
                                     TF_Tensor** result, TF_Status* status) {
  mutex_lock l(graph->mu);
  auto status_or = EvaluateConstantTensor(