Build failed. https://zuul.opendev.org/t/openstack/buildset/2747969341b6477b9adee4250fafcc67 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9ec7f54be83c493c80fc53190f7320b0 : SUCCESS in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6c8a0e9d706a49a4998111fd88ac4c1f : FAILURE in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/26da4ee9f88448cdb21572a2d1d38acb : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6cdb7568104745429fc47862668b684f : SUCCESS in 3m 53s