docstr: Return shape as python list of one data entry 
docstr_tok: ["Return","shape","as","python","list","of","one","data","entry"]
code: def data_shape(self):
      """Return shape as python list of one data entry"""
      raise NotImplementedError
  
imports: import os
  import numpy
  import torch.utils.data
  import torchvision.transforms
  import torchvision.datasets
label_desc: Use image node_id 2 for calling the DataProvider obj's underlying member method code with example usage: obj.data_shape() without return types