the-xkcd-community/the-red-spider-project — pull request #40 by ahammel (2013-05-05 16:03:23+00:00)
Title: level_up works with Python>=2.7

Specificially, the command should work in any Python where:

>>> from __future__ import print_function

Is available. The tkinter module is capitalized differently in Pythons 2 and 3,
but a try/except block deals with that.