Build failed. https://zuul.opendev.org/t/openstack/buildset/18eb307fa4f441a289c5c85cb0d27a2e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4886146d6dea460e9c8731ed9f220808 : SUCCESS in 3m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/22796eb1daba48928ad8e28d1caa3197 : SUCCESS in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9328b45b0f2041c6be80334b8606dda5 : SUCCESS in 2m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2a9fb1c3024745c79d5da95426b733a1 : FAILURE in 2m 48s