Pywikipedia add text.py problem 3.1

D:\Python 27 new Compat\compat>add_text.py -page:"ব্যবহারকারী:Pratyya Ghosh/Need
s Fix" -summary:"{{Needs Fixing}} যোগ করা হল" -text:"{{Needs Fixing}}" -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!