Build failed. https://zuul.opendev.org/t/openstack/buildset/eb50cd6d8b41479fb695966f06ef8c12 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/277fa5b4f3fd461bb60204ca862413ee : FAILURE in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fd0b2a7df4ad4cb79b7a4503b791706b : SUCCESS in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ff701106844a43d9b119cae5c8938968 : SUCCESS in 2m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c20ab5b69504435f9fb25a3df474343f : SUCCESS in 3m 19s