code: def get_ent_tot(self):
      return self.dataset.get_ent_tot()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import random
  import numpy
  import torch
  from torch.utils.data import Dataset, DataLoader
label_desc: Use image node_id 12 for calling the PyTorchTrainDataLoader obj's underlying member method code with example usage: obj.get_ent_tot() and returns: self