Updated openstack/openstack
Project: openstack/python-heatclient  2f07742f1dde22251e1c5d324e7cbeb701e2a789
null
Support Python 3

This patch fixes an issue similar to one fixed by
fa4ef4dc00e220ccbc0e171ee6d3ee898deab0a3 and adds the required trove
classifiers to setup.cfg.

Change-Id: Ia77e943612de9aea78128b142981e70665714e1b