Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/747674d0b96e4fc7b2112127e7b3f9b9 : SUCCESS in 6m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/37e47eb4fe8a45ceb24a4c3c1e87f2b5 : FAILURE in 6m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0830c05e38fa4352901c4c7e261d22bc : SUCCESS in 6m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/417c757c8cde40159ff2b72d7b13c080 : SUCCESS in 6m 42s