docstr: Transform a PyTorch Dataloader into python iterator
docstr_tok: ["Transform","a","PyTorch","Dataloader","into","python","iterator"]
code: def one_shot_iterator(dataloader):
      """
      Transform a PyTorch Dataloader into python iterator
      """
      while True:
          for data in dataloader:
              yield data
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import torch
  from torch.utils.data import Dataset
label_desc: Use image node_id 3 for calling the BidirectionalOneShotIterator obj's underlying member method code with example usage: obj.one_shot_iterator(dataloader) without return types