old_contents: import sys
  
  # Backward compatibility for xrange function, basestring datatype
  # unicode function/type, unichr function and raw_input function
  if sys.version_info >= (3,):
      xrange = range
      basestring = str
      unicode = str
      unichr = chr
      raw_input = input
  
  #from grab.util.py3k_support import *
  
new_contents: import sys
  
  # Backward compatibility for xrange function, basestring datatype
  # unicode function/type, unichr function and raw_input function
  if sys.version_info >= (3, ):
      xrange = range
      basestring = str
      unicode = str
      unichr = chr
      raw_input = input
  
  #from grab.util.py3k_support import *
  
subject: Add Py3k support