There's a closed pull request on the void-packages repository

python3-cssutils: update to 2.6.0.
https://github.com/void-linux/void-packages/pull/40408

Description:
#### Testing the changes
- I tested the changes in this PR: **briefly**
- I built this PR locally for my native architecture, amd64

This package was strange, when I was updating to python3.11, byte-compile thrown errors about syntax, code looked like python2