Build failed. https://zuul.opendev.org/t/openstack/buildset/649c980f7fc74cc8aed322ad2d87846e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1d89677c3cfb4ac7a29c9ecf0ca3b902 : SUCCESS in 4m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f178c77a68b04232a143f82619f20925 : FAILURE in 3m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7dcebd5e5d074242b275b67f757ea49b : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d76ab06abe504b3eb98f37b1245cedf4 : SUCCESS in 3m 53s