Build failed. https://zuul.opendev.org/t/openstack/buildset/7b585648129e445e8fc5076b890eb7c7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a05f48cbdef749878789f3646a1ede4a : SUCCESS in 4m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1b69f48b34524f2e8eb7fa6065854220 : FAILURE in 4m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b12a088d626b426ab2f7f0d16bc2ef8a : SUCCESS in 3m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf7b2f52233c49199d7174982b69f469 : SUCCESS in 4m 16s