message: Rename a variable name.
diff: @@ -30,18 +30,18 @@ struct OpVariant {
  const OpVariant GetOperatorVariant(const ModelT* model, int subgraph_index,
  int op_index) {
  - OpVariant op_signature;
  + OpVariant op_variant;
  OperatorT* op =
  model->subgraphs.at(subgraph_index)->operators[op_index].get();
  - op_signature.op_code = model->operator_codes[op->opcode_index]->builtin_code;
  - return op_signature;
  + op_variant.op_code = model->operator_codes[op->opcode_index]->builtin_code;
  + return op_variant;
  }
  } // namespace
  OperatorProperty GetOperatorProperty(const ModelT* model, int subgraph_index,
  int op_index) {
  - OpVariant op_signature = GetOperatorVariant(model, subgraph_index, op_index);
  - BuiltinOperator op_code = op_signature.op_code;
  + OpVariant op_variant = GetOperatorVariant(model, subgraph_index, op_index);
  + BuiltinOperator op_code = op_variant.op_code;
  OperatorProperty property;
  switch (op_code) {
  case BuiltinOperator_ADD:
  