code: def data_shape(self):
      return 3, self.image_size, self.image_size
  
imports: import os
  import numpy
  import torch.utils.data
  import torchvision.transforms
  import torchvision.datasets
label_desc: Use image node_id 3 for calling the ImagenetDataProvider obj's underlying member method code with example usage: obj.data_shape() and returns: int,  self,  self