The bigger issues of upgrading I've run into: * Systems generally still ship with 2.7x * Dependencies that also have not upgrades (e.g. 3.x doesn't exist) or re

The bigger issues of upgrading I've run into: * Systems generally still ship with 2.7x * Dependencies that also have not upgrades (e.g. 3.x doesn't exist) or require a complete re-work now * Searching for help on X often results in 2.7x help I've upgraded projects, but this "you refuse to upgrade" business bothers me. There is a reason people haven't: The way Python handled all of this is horrid. It's often easier to just move to another language.