There is a new pull request by pfpulux against master on the void-packages repository https://github.com/pfpulux/void-packages python3-Flask-Babel https://github.com/void-linux/void-packages/pull/25093 python3-Flask-Babel: update to 2.0.0 A patch file from https://github.com/void-linux/void-packages/pull/25093.patch is attached