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

https://github.com/PaperMountainStudio/void-packages python-pyqt-1.15.0
https://github.com/void-linux/void-packages/pull/24076

python-PyQt5: update to 1.15.0
requires: #23666 
also rebuild qutebrowser against python3-PyQt5 1.15.0
xlint will fail on python-PyQt5, because of indenting, but that's a false alarm

A patch file from https://github.com/void-linux/void-packages/pull/24076.patch is attached