That's the way I worked at my last job with Python. I filed for brain fuckery bankruptcy after trying to get pyenv and pyenv virtualevnwrapper set up. You can

That's the way I worked at my last job with Python. I filed for brain fuckery bankruptcy after trying to get pyenv and pyenv virtualevnwrapper set up. You can't say this is Python 3 code or Python 2 code. That's completely false. If someone used latest features from Python 3.5 that wouldn't work on 3.4. Also, I haven't had any issues upgrading point releases in Ruby(since 2.0). Point releases do not make sweeping changes by any means. You maybe talking about the weird 1.8 to 1.9.3 thing.