code: def create_evaluator(self, params: list[float]) -> problem.Evaluator:
      ops = [op_names[int(x)] for x in params]
      arch_str = "|{}~0|+|{}~0|{}~1|+|{}~0|{}~1|{}~2|".format(*ops)
      return NASLibEvaluator(
          self._dataset_api["nb201_data"][arch_str][self._dataset][
              "eval_acc1es"
          ]
      )
  
file_path: optuna/benchmarks/naslib/problem.py
imports: from __future__ import annotations
  import sys
  from typing import Any
  from kurobako import problem
  from naslib.utils import get_dataset_api
label_desc: Use image node_id 2 for calling the NASLibProblem obj's underlying member method code with example usage: obj.create_evaluator(params) and returns: NASLibEvaluator