There is an updated pull request by Chocimier against master on the void-packages repository https://github.com/Chocimier/void-packages-org python-cryptography_vectors https://github.com/void-linux/void-packages/pull/20637 python-cryptography_vectors: update to 2.9. A patch file from https://github.com/void-linux/void-packages/pull/20637.patch is attached