Build failed. https://zuul.opendev.org/t/openstack/buildset/aef4dc8a54e346549c2a98dfbd0dba81 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/02c5ba63ecb449959f944f1128170bd3 : FAILURE in 6m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eab1b17c9ba2426da2c72ec4bdc81fcf : SUCCESS in 5m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9bfc63c28ba544b6a85fca8230886f8c : SUCCESS in 7m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2e9ed4d0305b40609d286735a715543b : SUCCESS in 8m 02s