Build failed. https://zuul.opendev.org/t/openstack/buildset/70c450271be24bb29699ec2f857c8a58 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9a4c9da4020d47f39d172e6f8eb6d862 : SUCCESS in 5m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/23349d0a76c24766ada2f5c85e2b6967 : FAILURE in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0eda06625050497c821a0d228c88bf80 : SUCCESS in 4m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7e7a1a83e534aeb82740e468646cf6e : SUCCESS in 5m 03s