code: def data_dir():
      assert os.getcwd().endswith("python")
      exist = os.path.exists(DATA_PATH) and os.path.isdir(DATA_PATH)
      if not exist:
          os.mkdir(DATA_PATH)
  
file_path: hf-tokenizers/bindings/python/tests/utils.py
imports: import multiprocessing
  import os
  import pytest
  import requests
label_desc: Use image node_id 2 for calling a global function with example usage: data_dir() without return types