I have the same problem and i used pip install --upgrade testtools to upgrade the testtools to 0.9.30.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1174630 Title: Unable to run Tempest against Grizzly due to out-of-date python- testtools. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-testtools/+bug/1174630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs