Build failed. https://zuul.opendev.org/t/openstack/buildset/95bd58774bcb477cb3a96fe8e90df0d9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e8f6e491a7554ccbb1e7ea19e856b63d : FAILURE in 2m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5c31339edfa946c6929b05b5e948cd77 : SUCCESS in 3m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6673315951f447b5bfcfa6639b3e1ed3 : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6a6de788fe4d4b8a8c0942fd20645a77 : SUCCESS in 5m 11s