Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eac2deb3d3b0487787b3b89d9154738f : SUCCESS in 7m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/082556a7d59d408bbd0dea11304754f3 : FAILURE in 5m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/da8e2651af584e4597b57c5a04b369a3 : SUCCESS in 9m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bff0c4377a224419bb6e83ce6ab94218 : SUCCESS in 12m 29s