Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9b04f6683c044f0fa63ac2f342d54cef : SUCCESS in 7m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/59672f4e9a464ccd908602d2f8092a88 : FAILURE in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/172bbc7ac5ee4bd1a259a1ef207c7b39 : SUCCESS in 4m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a9c157bd978c47169ecaa9f4d239739d : SUCCESS in 5m 33s