Build failed. https://zuul.opendev.org/t/openstack/buildset/ded53922698e428996f360e480d346bc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ea35ea517a0044cfac3cf9c8d0c23d4d : SUCCESS in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/671b94eaec4645beb2cbf2ca2b314bf9 : FAILURE in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6b49bf6169854abbb62356ec9d4af377 : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/728e2069036447cd85d9eebcef9b3782 : SUCCESS in 4m 35s