upstream switched to pycryptodome with this commit https://github.com/ros/ros_comm/commit/ba7b5b13d9e1b82133bc18475c93c62bb0f3e85e
commit 9cb68d38c357a2e54c8edddd4a10c3fc7d150063 Author: Alexis Ballier <aballier@gentoo.org> Date: Thu Dec 12 14:27:12 2019 +0100 dev-ros/rosbag: switch to pycryptodotme Package-Manager: Portage-2.3.81, Repoman-2.3.20 Signed-off-by: Alexis Ballier <aballier@gentoo.org>