Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b1c57b5f73cb47b5b026ec23530873c2 : SUCCESS in 5m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16127b1be37943ff84f5aa32c75914c8 : FAILURE in 3m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bf2966def2894d409133d93a8f732b6a : SUCCESS in 3m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/45f6b456d18c4c129d80ddeb4f356938 : SUCCESS in 5m 01s