A system upgrade broke ostestr. We can fix it by just calling stestr directly. Change-Id: Iabc59ae7ae228f5db9b1be4b03868825afb23394
This charm was missed pre-migration to git/gerrit. Add support for executing pep8 and unit tests using tox. Change-Id: I5518e870c572ccc292d6fe4e9b7c910c7f3f0260