Dive into Python 3 is offline. Can HN help bring it back?

There's a copy on Github nevertheless - https://github.com/diveintomark/diveintopython3

Clone available here: https://diveintopython3.netlify.com

Try Wayback machine when site is offline to retvieve information https://web.archive.org/web/20181009120324/http://www.divein...

Dive into Python 3 is a really good book. Although there are better books for learning the nuts and bolts of python, dive into python taught me noy just python, but also a lot about character encodings and why understanding them is important.

Why is it offline?