code: def set_filter_flag(self, filter_flag):
      self.filter_flag = filter_flag
  
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 17 for calling the PyTorchTrainDataset obj's underlying member method code with example usage: obj.set_filter_flag(filter_flag) without return types