Build failed. https://zuul.opendev.org/t/openstack/buildset/b2032ff57330481dbdc61c2716948834 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2e9a51c4ebf34cda910cbb8281c93140 : SUCCESS in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/96492834f9e840828bb154922adc4a70 : SUCCESS in 4m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5d8275275f5b412a96ab36182306ab4f : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/26312e6e1c8f47ddab89cbdb02767faa : FAILURE in 4m 05s