OSCI test_charm_single failing due to missing keystone package

[Liam Young]

A README update change ( https://review.openstack.org/#/c/516358/2 ) is failing with:

Traceback (most recent call last):
  File "/var/lib/jenkins/tools/0/bot-control/tools/lolo-log-puller", line 19, in <module>
    from lolo_log_puller import lolo_log_puller_cli
  File "/var/lib/jenkins/tools/0/bot-control/tools/lib/lolo_log_puller/lolo_log_puller_cli.py", line 22, in <module>
    import common.tools_common as u
  File "/var/lib/jenkins/tools/0/bot-control/tools/lib/common/tools_common.py", line 32, in <module>
    import keystoneclient.v3 as keystone_client
ImportError: No module named 'keystoneclient'

https://openstack-ci-reports.ubuntu.com/artifacts/test_charm_pipeline/openstack/charm-nova-compute/516358/2/2267/consoleText.test_charm_single_9269.txt

[Ryan Beisner (1chb1n)]

This is a Py2 vs Py3 thing.

[Ryan Beisner (1chb1n)]

I'll look into this as well.

[Ryan Beisner (1chb1n)]

This commit introduced the issue with the virtualenv:
https://github.com/openstack-charmers/bot-control/pull/23

Proposing a PR, will link it here.

[Ryan Beisner (1chb1n)]

FYI also visible on:

https://review.openstack.org/#/c/516370/

https://openstack-ci-reports.ubuntu.com/artifacts/test_charm_pipeline/openstack/charm-designate/516370/3/2273/consoleText.test_charm_single_9272.txt