Build failed. https://zuul.opendev.org/t/openstack/buildset/ebab31aeb6fd4b65afdac575fa43c7f9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/62a0b75b6f454d4f984bc84694376402 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fb963a9f2db04c6e9ed367d0c82cef0a : FAILURE in 5m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/851f826b5e9049ce8abf3c5a6908e978 : SUCCESS in 3m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ca366e9261cc438bb56384d84bee868e : SUCCESS in 4m 21s