Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a631132a76524291b13da716c4cf2d32 : SUCCESS in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2b9cbbc6f1b44dee86b62bab9bb35b60 : SUCCESS in 6m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fbccb11de0824137977de55d3daed0d3 : FAILURE in 7m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf09c1afa7b64f64b9c30f2483c7b818 : SUCCESS in 4m 10s