Build failed. https://zuul.opendev.org/t/openstack/buildset/820da52192b4401abc1750e292da292c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a939592f262045848fba350f8eadf288 : SUCCESS in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6f697be51ae44b49bca87990270aad61 : FAILURE in 9m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/065f6335431e4d7c81f9c982d4aacbcf : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f0b6f533fc05459eb9d9960f905f1fbd : SUCCESS in 4m 04s