Add python2 testing back to PBR
I think this was lost when we expanded the openstack-python job
templates to include more versions of python3. Oops.
jobs:
- openstack-tox-pep8
- openstack-tox-cover
+ - openstack-tox-py27
- openstack-tox-py36
- openstack-tox-py37
- openstack-tox-py38
jobs:
- openstack-tox-pep8
- openstack-tox-cover
+ - openstack-tox-py27
- openstack-tox-py36
- openstack-tox-py37
- openstack-tox-py38
