"A. Khattri" <ajai@bway.net> said:

> Then I see that a script using the sre 
> module no longer works because its been deprecated and is not available
> anymore.

http://docs.python.org/whatsnew/whatsnew25.html

this should tell you the major differences between python-2.5.x and 
python-2.4.x ...

also, your python-2.4.x has most likelly not been removed from the system. 
you can access that version by pointing your scripts to 
the /usr/bin/python2.4 binary ...

HTH
best regards
Thilo