You can, it's called use __future__, six, and 2/3 compatible idioms. I've been writing code (begrudgingly) like this for years. Test suite runs on 2.7-3.6 no pr

You can, it's called use __future__, six, and 2/3 compatible idioms. I've been writing code (begrudgingly) like this for years. Test suite runs on 2.7-3.6 no problem, albeit annoying to write vs pure py3.