Build failed. https://zuul.opendev.org/t/openstack/buildset/beb4d178d0d241e2998721d5d97fea5b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d2b4c35220d49ec87643206957fe0d5 : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6d71d7da5a634897b178062ac350e070 : FAILURE in 3m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0d0059d9aae74b1aa71bf00af2fe7ba2 : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/78246ecd81a5409dbfcb60ef14b7fc65 : SUCCESS in 4m 26s