Build failed. https://zuul.opendev.org/t/openstack/buildset/dcea9cfb3f614c84932f2cabcf73e761 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d4c8fb040d194da7975cf668e7b50338 : FAILURE in 7m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/da7a5b88e9e2465bbcd9c730dd9630b7 : SUCCESS in 7m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c928e64d73f04ede8e4c930886420f90 : SUCCESS in 6m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/af80abe80a254e2081cdb682f6b6c642 : SUCCESS in 7m 40s