Build failed. https://zuul.opendev.org/t/openstack/buildset/c36ff1bbb70b4240918d5b4576b8ad57 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/17dd935e8bf842c7ad4e7e6b17b90bcc : FAILURE in 5m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a221f7f7e43745dca5733738cb4c2c4b : SUCCESS in 4m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/494a5c5be3f848eeb17f9b0c3e3e8b5a : SUCCESS in 5m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a4aa5bf35b1243109e1448dbeb6b24ec : SUCCESS in 5m 46s