Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ec397fd7a0f04c739ac5c9c520e391aa : SUCCESS in 9m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/919e224afc804351a7e7b1f3395a5805 : FAILURE in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3dcc7f5b68e94da7923df2ae32b6989a : SUCCESS in 6m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ce20710fded54cefb42bcc9c575a85d4 : SUCCESS in 5m 39s