Pywikipedia add text.py problem 3.4

D:\Python 27 new Compat\compat>    add_text.py -ref:%E0%A6%AC%E0%A7%8D%E0%A6%AF%
E0%A6%AC%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A6%95%E0%A6%BE%E0%A6%B0%E0%A7%80:Pratyya_
Ghosh/Needs_Fix -text:"{{Needs Fixing}}\n" -up
Traceback (most recent call last):
  File "D:\Python 27 new Compat\compat\add_text.py", line 432, in <module>
    main()
  File "D:\Python 27 new Compat\compat\add_text.py", line 414, in main
    'You have to specify the generator you want to use for the script!')
__main__.NoEnoughData: You have to specify the generator you want to use for the
 script!