Build failed. https://zuul.opendev.org/t/openstack/buildset/f1c493690fbe4e878ca8436bdce902f8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a16e819b24464c48b72b022c7653c0d4 : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/37486e87e4c54bf2ad77524886495027 : FAILURE in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e806aa65d3bb43618a894f030a812fb2 : SUCCESS in 2m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a983f06fa401407a830cf642d2e51848 : SUCCESS in 4m 14s