Build failed. https://zuul.opendev.org/t/openstack/buildset/31afd91c63be491282c7c9f540cfb951 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9aa53e272ae24c83bf47d2d4ad1f894c : SUCCESS in 6m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/92797842424a430ca7651f7d78946033 : FAILURE in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5459bdf29a414c09b27fa6845e8bd915 : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/208da7ef5f1a4348a7b98ceed0321781 : SUCCESS in 4m 45s