Comment 3 for bug 395362

> Why is unittest.py patched by python2.6_2.6.2-0ubuntu2.diff this way?

I advise reading the changelog and/or examining the package in more detail. You will see it is a change taken from upstream svn. Therefore...

> Will this patch on unittest.py part of python2.6.3 ?

Yes.

> unittest.py comes from python2.6 that is why I have opened this bug
> (but maybe it is not good practice. Please tell me).

Generally, one problem == one bug. Launchpad bugs can have multiple bugtasks applying to different packages.

> Should python-nose try to accomadate with this patch ?

Yes, see bug 389942 for more.