There is an updated pull request by pandom79 against master on the void-packages repository

https://github.com/pandom79/void-packages python-dlib
https://github.com/void-linux/void-packages/pull/23521

New package : python-dlib-19.20.0
I built dlib as python module. 
I copied from existent dlib package.
I'm ready for eventual corrections.
Regards

A patch file from https://github.com/void-linux/void-packages/pull/23521.patch is attached