Build failed. https://zuul.opendev.org/t/openstack/buildset/534b8afc126f4b95982d5a53cba29bf9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ee55fcccc6b74e11a76323d73940a57c : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a7732263834e4d2688c214c91ad2d5d6 : FAILURE in 2m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2b7a7a4de9ff439dbf32f2b58868f98f : SUCCESS in 2m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2291c3dd0d79488894ff11153493cd16 : FAILURE in 2m 49s