Build failed. https://zuul.opendev.org/t/openstack/buildset/86ddf5f46e7c44898e53f8badd31683a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0bf080eaa4c647a697bea70bc18a61f5 : FAILURE in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/45992d8c81e44945a086f398927a43ce : SUCCESS in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/25b27218a37f40ae944b01e53b3b3e72 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9b4bc97f35f847ec837e4efdc3b087cc : SUCCESS in 3m 25s