class_docstr: DataLoaderOperation
class_docstr_tok: ["DataLoaderOperation"]
code: def get_result(self) -> Any:
      if self.train_data is not None:
          return self.train_data, self.test_data
      else:
          return None
  
imports: import urllib.request
  from typing import Any
  import torch
  import torch.utils.data
  from nebullvm.operations.base import Operation
  from torchvision import datasets, transforms
label_desc: Use image node_id 2 for calling the MNISTDataLoaderOperation obj's underlying member method code with example usage: obj.get_result() and returns: self,  self, None