code: def best_score(self, id_):
      best_score_ = self._get_result(id_, "best_score")
  
      if best_score_ != -np.inf:
          return best_score_
  
      raise ValueError("objective function name not recognized")
  
file_path: Hyperactive/hyperactive/results.py
imports: import numpy
  import pandas
label_desc: Use image node_id 5 for calling the Results obj's underlying member method code with example usage: obj.best_score(id_) and returns: best_score_