code: def get_data_directory(filepath=None):
      if "CI" in os.environ:
          return os.path.expanduser("~/.data")
      return os.path.abspath(
          os.path.join(os.path.dirname(filepath), ".data")
      )
  
file_path: pyro/pyro/contrib/examples/util.py
imports: import os
  import sys
  import torchvision.datasets
  from torch.utils.data import DataLoader
  from torchvision import transforms
label_desc: Use image node_id 3 for calling a global function with example usage: get_data_directory(filepath) and returns: os, os