Comment 7 for bug 1813147

Yeah that's a good point Sean. We have a lot of warnings in the py35 console output logs:

2019-01-22 00:07:14.688023 | ubuntu-xenial | Captured stderr:
2019-01-22 00:07:14.688079 | ubuntu-xenial | ~~~~~~~~~~~~~~~~
2019-01-22 00:07:14.688266 | ubuntu-xenial | b'/home/zuul/src/git.openstack.org/openstack/nova/.tox/py35/lib/python3.5/site-packages/migrate/versioning/script/py.py:144: DeprecationWarning: inspect.getargspec() is deprecated, use inspect.signature() instead'
2019-01-22 00:07:14.688383 | ubuntu-xenial | b' if not inspect.getargspec(script_func)[0]:'

2019-01-22 00:08:52.909079 | ubuntu-xenial | b'/home/zuul/src/git.openstack.org/openstack/nova/.tox/py35/lib/python3.5/site-packages/oslo_service/threadgroup.py:193: DeprecationWarning: Calling add_timer() with arguments to the callback function is deprecated. Use add_timer_args() instead.'

2019-01-22 00:09:48.658271 | ubuntu-xenial | Captured stderr:
2019-01-22 00:09:48.658308 | ubuntu-xenial | ~~~~~~~~~~~~~~~~
2019-01-22 00:09:48.658492 | ubuntu-xenial | b'/home/zuul/src/git.openstack.org/openstack/nova/.tox/py35/lib/python3.5/site-packages/rfc3986/uri.py:235: DeprecationWarning: Please use rfc3986.validators.Validator instead. This method will be eventually removed.'
2019-01-22 00:09:48.658577 | ubuntu-xenial | b' DeprecationWarning)'
2019-01-22 00:09:48.658845 | ubuntu-xenial | b"/home/zuul/src/git.openstack.org/openstack/nova/.tox/py35/lib/python3.5/site-packages/sqlalchemy/orm/evaluator.py:99: SAWarning: Evaluating non-mapped column expression 'id' onto ORM instances; this is a deprecated use case. Please make use of the actual mapped columns in ORM-evaluated UPDATE / DELETE expressions."
2019-01-22 00:09:48.658912 | ubuntu-xenial | b' "UPDATE / DELETE expressions." % clause'
2019-01-22 00:09:48.659175 | ubuntu-xenial | b"/home/zuul/src/git.openstack.org/openstack/nova/.tox/py35/lib/python3.5/site-packages/sqlalchemy/orm/evaluator.py:99: SAWarning: Evaluating non-mapped column expression 'updated_at' onto ORM instances; this is a deprecated use case. Please make use of the actual mapped columns in ORM-evaluated UPDATE / DELETE expressions."
2019-01-22 00:09:48.659242 | ubuntu-xenial | b' "UPDATE / DELETE expressions." % clause'
2019-01-22 00:09:48.659271 | ubuntu-xenial | b''

That SAWarning is probably the worst at 866 occurrences.