Guilherme Steinmüller 3da7a036d9 Change rally pip package
This is motivated by the recent change of rally
project [1] which states that In-tree OpenStack
plugins will be removed from the Rally main package soon.

Also, we do not have constraint for it, we need to pin it
to keep consistent build.

[1] https://github.com/openstack/rally/blob/master/CHANGELOG.rst#100---2018-06-20

Change-Id: I9121867301fc69ba6623110fa6e54c2da0b5ae2c
Closes-Bug: 1782372
2018-07-24 17:50:59 -03:00
..
2018-07-24 17:50:59 -03:00