Build failed. https://zuul.opendev.org/t/openstack/buildset/ccd1bce7d0fe49869d8bea8fe855a479 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/085059d1a25b48719c49cb03358d1822 : FAILURE in 3m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/184fb9ae55384b58a6947a289e0804ed : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/adf90216baee48cf8e3e4f6f5ed18e11 : SUCCESS in 4m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c31f9ef8525d4d33acf581f308b2fc6d : SUCCESS in 5m 01s