Babel is not needed as requirement, remove it. See also http://lists.openstack.org/pipermail/openstack-discuss/2020-April/014227.html Change-Id: Ibafccbb3da579bdb4e396c72d0ea586b19d246f7
This is the external Brick library that came from Cinder's codebase. It's intended to be used as a standalone library and subproject of Cinder.