Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d73bb16ba874287b392a1b28846b2ad : SUCCESS in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a3bf3c6de0434ee2a4c97ca61a606855 : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a4024775581241be9485a5c0bb5dc866 : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c65eea281ce2443f8fb160f8014cdd8b : SUCCESS in 3m 51s