Build failed. https://zuul.opendev.org/t/openstack/buildset/d3afa3b065804b4aa6f7b0233e9e7185 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9d6f3ba14e824090838cc2c2b3a19f6f : SUCCESS in 3m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f35ddb2445f24c60bd2ecb66669b45b0 : FAILURE in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8e2fc754f818497aba5d13078d646d13 : FAILURE in 3m 00s