Updated openstack/openstack
Project: openstack/heat  86edcb0ba8aec2650db0c5a81a89e74b93431e44
null
Fixes typo of explanation on exception.py

Something like:
unvavailable -> unavailable

Change-Id: I2f94532862e46d2a1371b819fa6adf2eb9cb3992
Closes-Bug: #1265687