Build failed. https://zuul.opendev.org/t/openstack/buildset/b03c41b8bf65400ba91b5070d1cb7ef8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8d6714c717d04541b5d004f631aae985 : FAILURE in 6m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/080866068bfd4362b9780b61e203a287 : SUCCESS in 4m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9e52c423769c4a5eaa4c0fa41034ea62 : SUCCESS in 6m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4b8b482565f24c558ef31ff0a19b42ae : SUCCESS in 6m 36s