Build failed. https://zuul.opendev.org/t/openstack/buildset/292eef9c9c904deab21683d57c6eb38c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1ee05f7a654c475881696ef4e98950b6 : FAILURE in 5m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5713c7b0ec684dbf8969ddf6e6199e0b : SUCCESS in 5m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/be47c9feb3ac495d9fe15098cbfede27 : SUCCESS in 4m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4c5b778191fc4b9dbf4eda49e768f995 : SUCCESS in 4m 24s