So when you see a project written in Python 2.8, you'll know that it contains lots of legacy code under active development by developers who are gung-ho about f

So when you see a project written in Python 2.8, you'll know that it contains lots of legacy code under active development by developers who are gung-ho about fancy language features, but that this team hasn't had the time/resources/gumption to do a code overhaul anytime in the past six years. And also that you yourself, and any users of your own project, will need to run it with this guy's own homebrewed version of Python in order to know it will behave correctly. Useful?