Build failed. https://zuul.opendev.org/t/openstack/buildset/af981dd6eb204ae09cfb956d558d9bb5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f148a1d1ea4d41c9aaf45d896350fd95 : FAILURE in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9b007db63ac342f7958fd9df0509e104 : SUCCESS in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7564dbaf59cb4916b3a663050556a8cb : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/60072191eb6a432194889d1bef4c2e97 : SUCCESS in 4m 59s