Build failed. https://zuul.opendev.org/t/openstack/buildset/88cd88604777466583ec19c56da11ba5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bfefc81f7caa4576a5ab261e86422437 : SUCCESS in 4m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ff1bd27f1fa94da5916fe303ad2d0ec3 : SUCCESS in 6m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/40abbbf4c85d4dfc9ee9d4d94cb4e407 : SUCCESS in 5m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/550f45b1ab414dd1aefef690795bb068 : FAILURE in 3m 26s