code: def data(self):
      if self._data is None:
          self._data, self._masks = self.load_dict_per_class()
      return self._data, self._masks
  
imports: import os
  import json
  import glob
  import h5py
  from PIL import Image, ImageOps
  from torchmeta.utils.data import Dataset, ClassDataset, CombinationMetaDataset
  from torchvision.datasets.utils import list_dir, download_url
  from torchmeta.datasets.utils import get_asset
  import numpy
label_desc: Use image node_id 5 for calling the Pascal5iClassDataset obj's underlying member method code with example usage: obj.data() and returns: self,  self