new_contents: # -*- coding: utf-8 -*-
  # vim: set ts=4
  
  import errno
  import os
  
  
  def mkdir(path):
      try:
          os.makedirs(path)
      except OSError as e:
          if e.errno == errno.EEXIST and os.path.isdir(path):
              pass
          else:
              raise
  
subject: Add a utility module