Build failed. https://zuul.opendev.org/t/openstack/buildset/8ee6f6653b6e416dbaa21548dc7bdb71 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/de0a214d83ee442f94f5b6da20850859 : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/431c3d3a7cc741a78533a41340032d62 : FAILURE in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/458b6b6c6b6e462998906258324f579a : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/be0c6cd041254631b962f1dd3efd0421 : FAILURE in 2m 48s