code: def train_path(self):
      return os.path.join(self.save_path, "train")
  
imports: import os
  import numpy
  import torch.utils.data
  import torchvision.transforms
  import torchvision.datasets
label_desc: Use image node_id 7 for calling the ImagenetDataProvider obj's underlying member method code with example usage: obj.train_path() and returns: os