code: def dos2unix_dir(dir_name):
      modified_files = []
      os.path.walk(dir_name, dos2unix_one_dir, modified_files)
      return modified_files
  
file_path: catboost/contrib/python/numpy/py3/numpy/distutils/line_endings.py
imports: import os
  import re
  import sys
label_desc: Use image node_id 3 for calling a global function with example usage: dos2unix_dir(dir_name) and returns: modified_files