old_contents: # -*- coding: utf-8 -*-
  from __future__ import print_function, division, absolute_import
  from numba import *
  
  f = autojit(lambda x: x * x)
  assert f(10) == 100
new_contents: # -*- coding: utf-8 -*-
  from __future__ import print_function, division, absolute_import
  import sys
  from numba import *
  
  if sys.version_info[:2] > (2, 6):
      f = autojit(lambda x: x * x)
      assert f(10) == 100
subject: Update #321 for python 2.6