Build failed. https://zuul.opendev.org/t/openstack/buildset/ca6d048f1b4b4e14b98093be6136c7f0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d89d5d3b7a584615a653175b2616e777 : SUCCESS in 3m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/20f48d52933b4ab9a35b5d425f4ab932 : FAILURE in 2m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2a5c0c9ac39c4f65b23eadcd3d1c8ee2 : SUCCESS in 2m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2ca444da5d664297bc6ac5295c0c6c46 : FAILURE in 2m 42s