Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/de1fdf02acfb4c5cbd891787d415c55e : SUCCESS in 12m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9c7564e064574a39bcb3a912eb361b76 : FAILURE in 4m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/20c92e1e05b14b6e8aad371c5d04e076 : SUCCESS in 6m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7ac673a439f440f59b755bb10aab86ad : SUCCESS in 8m 19s