code: def ensure_resources(data_dir, resources):
      logging.info(f"using benchmark data directory {data_dir}")
      os.makedirs(data_dir, exist_ok=True)
      to_create = []
      for rg in resources:
          if not rg.exists(data_dir):
              to_create.append(rg)
      if to_create:
          hl.init()
          for rg in to_create:
              rg.create(data_dir)
          hl.stop()
  
imports: import timeit
  import contextlib
  import hail
  import logging
  import os
  import re
  import shutil
  import signal
  from py4j.protocol import Py4JError
  from .resources import all_resources
label_desc: Use image node_id 5 for calling a global function with example usage: ensure_resources(data_dir, resources) without return types