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

https://github.com/karl-nilsson/void-packages shapely-update
https://github.com/void-linux/void-packages/pull/21134

Shapely: update to 1.7.0, drop python2
Testers welcome

A patch file from https://github.com/void-linux/void-packages/pull/21134.patch is attached