code: def __call__(self, index: Index, post_clean: bool = True) -> dict:
      task_result = TaskResult()
  
      try:
          for task in self.tasks:
              task_result = task_result + task(index)
      except KeyboardInterrupt:
          pass
  
      if post_clean:
          index.clear()
      return {
          **index.specs,
          **asdict(task_result),
      }
  
imports: from __future__ import annotations
  from time import time_ns
  from typing import Tuple, Any, Callable, Union, Optional, List
  from dataclasses import dataclass, asdict
  from collections import defaultdict
  from math import ceil
  import numpy
  from usearch.io import load_matrix
  from usearch.index import Index, Matches, BatchMatches, MetricKind, MetricKindBitwise, Key
label_desc: Use image node_id 2 for calling the Evaluation obj's underlying member method code with example usage: obj.__call__(index, post_clean) and returns: dict