code: def download(self):
      if self.is_test:
          pass
      super().download()
  
imports: import os
  import numpy
  import torch
  import logging
  from torch_geometric.data import InMemoryDataset
  from torch_points3d.datasets.segmentation.scannet import Scannet
  from torch_points3d.metrics.panoptic_tracker import PanopticTracker
  from torch_points3d.datasets.base_dataset import BaseDataset, save_used_properties
  from torch_points3d.datasets.panoptic.utils import set_extra_labels
label_desc: Use image node_id 7 for calling the ScannetPanoptic obj's underlying member method code with example usage: obj.download() without return types