Updated openstack/openstack
Project: openstack/oslo-incubator  2b77e0f2ee3a839515e5a383f98213df88274c29

Avoid raising index error when no host

Strings like 'http://' are not correctly parsing
due to an index error raised when the first element
of the address is parsed (which is empty). Avoid this
by first checking if the address is non-empty before
doing work on it.

Change-Id: Ic50c9b31083dea82d068423f6809ec13c85da00a