[interknot]

AFAIK this refers to ZipPy:

https://bitbucket.org/ssllab/zippy

[sitkack]

What is it?

http://socalpls.org/slides/zippy.pdf

It is a performant implementation of Python3 on the JVM.

[rguldener]

Looks like it, thanks for the link, wasn't aware this was open sourced yet