[Boa Constr] problem in notebooksizer

[Amin B. <bab...@gm...>]

dear users
I am beginner in using python and boa.i try to install the package in my
linux fc6 by using the command which was written in
http://boa-constructor.sourceforge.net/Installation.html. but unfortunately
after installation it doesn't work and this error has been occurred

Error: 'module' object has no attribute 'Notebooksizer'

i search in the internet and also find the same  error which occurred for
other people  but i couldn't find the answer. would you please tell me what
i should do.
I will appreciate if someone help me.
best the regards

-- 
AMIN