code: def att(self, train=False, valid=False):
      return {
          model.model_id: model.att(train, valid)
          for model in self.models
      }
  
label_desc: Use image node_id 4 for calling the H2OOBinomialUpliftGridSearch obj's underlying member method code with example usage: obj.att(train, valid) and returns: unknown