nltk/nltk — pull request #583 by jskda (2014-01-21 08:00:07+00:00)
Title: fixes unit testing bugs for https://github.com/nltk/nltk/issues/581

Fixes unit testing bugs for https://github.com/nltk/nltk/issues/581

I added unittest2 as an import as python 2.6 lacks most of the list comparison asserts, so cleaner code can be used. Unittest2 is also available on python 3 as unittest2py3k.