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

https://github.com/Chocimier/void-packages-org python3-cheetah3
https://github.com/void-linux/void-packages/pull/11494

 python3-cheetah3: update to 3.2.2. 


A patch file from https://github.com/void-linux/void-packages/pull/11494.patch is attached