This patch allows the senlin client to properly parse a 409
error when a scaling action fails due to a conflict or cooldown
Depends-On: https://review.openstack.org/585573
Change-Id: I2fff7c2cc1bb17c0e32ef5b67294b811aff22192
According to Openstack summit session [1],
stestr is maintained project to which all Openstack projects should migrate.
Let's switch to stestr as other projects have already moved to it.
[1] https://etherpad.openstack.org/p/YVR-python-pti
Change-Id: I81ec9b4271d40036f0c680d10c481cabfd2245e8