Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5e278ee7f33340909a8096ce0c9eb49f : SUCCESS in 5m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a80c19c61364e0db127b1b48c74102f : FAILURE in 4m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/502b527927e240649866038915fa6daa : SUCCESS in 4m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e3477ed0394e4869bb9f96913d8661b8 : SUCCESS in 4m 48s