Build failed. https://zuul.opendev.org/t/openstack/buildset/a6fdaa37fe6e4dd3982c6dc53d461b2e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7605fa88523445c6ab96cf2106257d94 : FAILURE in 7m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b210e311c41d4ab3b368dcb10a31d3b7 : SUCCESS in 5m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e451bfc58a234ae683e595ff51e67b70 : SUCCESS in 6m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/01e0716922734d8a904ae187cc8fc25b : SUCCESS in 6m 33s