Build failed. https://zuul.opendev.org/t/openstack/buildset/06cc4081a4524a79bd38d9029ce30c30 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0e9061d4506546199cae1a816a8c6eda : SUCCESS in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/873729f639e7439f8078558abbb08877 : SUCCESS in 3m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/afc0fc02ad32450585054f3db1ffcf61 : FAILURE in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5b51e0a37f4948f8a89774bc99a69d5b : FAILURE in 2m 51s