Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b0136e79dd2c4628b4bb94bd067a8d80 : SUCCESS in 5m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8e35b15d56be4bb3a0ba219b191c97f3 : FAILURE in 6m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fb44b8acf83642ec9739e31efba33115 : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/088a0985c6a942299d790c14040e85d0 : SUCCESS in 6m 17s