Build failed. https://zuul.opendev.org/t/openstack/buildset/0e7ceb7d417449479cdb61ca6c2e15dd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1d46bb676860469980f7d0c08a6f563d : SUCCESS in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a7e49066ade341afae863f73c8096f12 : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f2bb4d658b0142f5a017e269d6d377de : SUCCESS in 5m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/406ec7cfad884ede86db35b9c3399437 : SUCCESS in 4m 51s