Build failed. https://zuul.opendev.org/t/openstack/buildset/ce33ff1baa4046a29e4483d7ba36ab54 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4107be69d851430d86fd68b72fd808ef : FAILURE in 8m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fc59602dcfeb47d48510aa6c1856980c : SUCCESS in 6m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/95123408262c493980bfb0f6eed90307 : SUCCESS in 5m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f889bacf7c9e44e3bcbe663d7ca4ef17 : SUCCESS in 6m 46s