code: def on_exp_end(self, n_repeats: int):
      self.final /= n_repeats
      self.T.final /= n_repeats
  
imports: from hyperparameter_hunter.data.data_core import BaseDataChunk
  from hyperparameter_hunter.feature_engineering import FeatureEngineer
  from contextlib import suppress
  from copy import deepcopy
  import numpy
  import pandas
label_desc: Use image node_id 7 for calling the BasePredictionChunk obj's underlying member method code with example usage: obj.on_exp_end(n_repeats) without return types