code: def _read_lines(path):
      try:
          f = open(path, "r")
      except IOError:
          return None
      else:
          return list(f)
  
imports: import errno
  import logging
  import os
  from guild import guildfile
  from guild import util
label_desc: Use image node_id 9 for calling a global function with example usage: _read_lines(path) and returns: list, None