Things I still have in Python 2.7:

- Code that runs on low-end shared hosting. There's a Python 3, but it's 3.2, the least-compatible version. No "six", and "u'xyz' isn't allowed.

- ROS, the Robot Operating System. Python 3 support is coming, but it's not really here yet.

I converted over the dedicated servers and some IoT stuff a year ago.

The types stuff probably should have been called Python 4, not Python 3.6. Those are major language changes. The optional-types-that-are-not-checked thing seems a bad idea. I can see having checked types; that allows some important optimizations. When you know something is a machine type, such as an int or float, you don't have to box it. But the feature of type declarations without checking is a foot gun.

*van Rossum

I wouldn't say that's an accurate statement of what Guido does every day :)

(nb: I work at Dropbox, and have worked with Guido at Dropbox.)

[1] https://www.quora.com/What-version-of-Python-does-Dropbox-us...

From https://gvanrossum.github.io/ :

But when my last name is used alone to refer to me, it is capitalized, for example: "As usual, Van Rossum was right."