Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1ba733f38ae54e3aa0b30cfc38765046 : SUCCESS in 6m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/44ed5357281a42fa925e65f45d2983cc : FAILURE in 6m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/79e7bfe979224900865853b3907b383f : SUCCESS in 6m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c46aa3430a4b44a2985060b9568d8062 : SUCCESS in 7m 38s