[AstroChimpHam]

I'm a long time Python user and I still tend to go for 2.7 over 3. When writing packages, I'll add support for 3 as an afterthought, but that's it.

The main reason for this and the main reason I prefer Python to other languages is the excellent and complete ecosystem of libraries. I've never seen a single Python library I wanted to use in the last 8 years that didn't have support for Python 2.7. I still run into those that don't support Python 3 well. So, using Python 3 means being terrified that I run into a case later on where I need to use some package that only supports 2.7 and I get stuck. With all of the other potential problems to run into while coding, why would I want to add that extra one, especially for something work-related?

I imagine this will continue being an issue until some major packages stop supporting Python 2.7 entirely and force people to make a choice.