code: def __init__(self, recall_at, name="Recall"):
      self._recall_at = np.array(recall_at)
  
      super(Recall, self).__init__(etype="rank", name=name)
  
imports: import numpy
  from openrec.tf1.legacy.utils.evaluators import Evaluator
label_desc: Use image node_id 1 to create a new Recall object from inherited base classes: Evaluator with example: obj = Recall(recall_at, name)