Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b2e40a48d34e4e868581f796cf98ae4a : SUCCESS in 6m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fd2ab8308c2b44239e19044d15718f20 : FAILURE in 8m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7563b9f00e9947c78cf5ca92eb4f7905 : SUCCESS in 10m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/03ece6ad896c44bc9ad8ccb660ba2175 : SUCCESS in 6m 49s