old_contents: from kuyruk import Kuyruk
  
  kuyruk = Kuyruk()
  
  @kuyruk.task()
  def echo(message):
      print message
  
new_contents: from __future__ import print_function
  from kuyruk import Kuyruk
  
  kuyruk = Kuyruk()
  
  
  @kuyruk.task()
  def echo(message):
      print(message)
  
subject: update example task file for python 3