code: def _untar_dir_files(dtype_path):
      files = os.listdir(dtype_path)
      for fname in tqdm(files):
          build_data.ungzip(dtype_path, fname)
  
file_path: ParlAI/parlai/tasks/natural_questions/build.py
imports: import os
  from tqdm import tqdm
  import parlai.core.build_data
  import parlai.utils.logging
label_desc: Use image node_id 3 for calling a global function with example usage: _untar_dir_files(dtype_path) without return types