According to Openstack summit session [1] stestr is
maintained project to which all Openstack projects should migrate.
Let's switch it then.
[1] https://etherpad.openstack.org/p/YVR-python-pti
Change-Id: Idf2f91565f9205c745a7110be5bf81267bd3caf5
Signed-off-by: Chuck Short <chucks@redhat.com>
Chuck Short