[masklinn]

> Its an idea originally from PyPy afaik.

No, the idea is from Raymond Hettinger on the Python-Dev ML back in 2012: https://mail.python.org/pipermail/python-dev/2012-December/1...

PyPy were the first to bother actually implementing it.

[ganduG]

Ah okay, good to know. I knew PyPy did this so I assumed it came from there.