old_contents: from __future__ import absolute_import
  
  try:
      from argparse import *
  except ImportError:
      from .argparse_py2 import *
  
new_contents: from __future__ import absolute_import
  
  import sys
  
  if sys.version_info[:2] <= (2, 6):
      from ._argparse_py2 import *
  else:
      from argparse import *
  
subject: Fix importing argparse on Python 2.6