code: def description(self):
      return "avg_of_avgs" if self.avg_of_avgs else ""
  
imports: import torch
  from sklearn.metrics import adjusted_mutual_info_score, normalized_mutual_info_score
  from .None import common_functions
  from .inference import FaissKMeans, FaissKNN
label_desc: Use image node_id 18 for calling the AccuracyCalculator obj's underlying member method code with example usage: obj.description() and returns: unknown