There is a new pull request by mobinmob against master on the void-packages repository https://github.com/mobinmob/void-packages python3-mypy_extensions https://github.com/void-linux/void-packages/pull/15396 python3-mypy_extensions: update to 0.4.2. A patch file from https://github.com/void-linux/void-packages/pull/15396.patch is attached