
Since I8f5338b7eee31f1b8bc3e783d10666e3092a6540 we have not been running pep8 jobs in CI. This change fixes the issues introduced since then, returning to use the openstack-python3-jobs template, which includes openstack-tox-pep8. Change-Id: Ie15019f91b9e7b7f8cf97b628886f6b0beeb24fa