code: def on_rep_end(self, n_splits: int, *args, **kwargs):
      self.T.rep /= n_splits
      self.T.final += self.T.rep
  
imports: from hyperparameter_hunter.data.data_core import BaseDataChunk
  from copy import deepcopy
label_desc: Use image node_id 7 for calling the HoldoutTargetChunk obj's underlying member method code with example usage: obj.on_rep_end(n_splits) without return types