Build failed. https://zuul.opendev.org/t/openstack/buildset/6db9a11dc35b45dcbb7b86b187b64be6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3e4f49e0f85b4a65a10ec2daaa68a0f9 : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0fe29c567e1a4c7f9c87fbfed7b12f84 : FAILURE in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/de49b45574404df0a657c7d9bdac1b73 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/affe3a4de47b4af2ad8ab1054f2a528d : SUCCESS in 4m 50s