code: def set_nbatches(self, nbatches):
      self.nbatches = nbatches
      self.batch_size = self.tripleTotal // self.nbatches
  
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 5 for calling the PyTorchTrainDataLoader obj's underlying member method code with example usage: obj.set_nbatches(nbatches) without return types