Build failed. https://zuul.opendev.org/t/openstack/buildset/0ec229a9f0ba4400b3436a755fbc407e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7e0229c9e2a548e38a3242ddb4322b96 : FAILURE in 2m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a5d5806e53843a5a78c23f674ed1f60 : SUCCESS in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4d1cdbe9bed7440496bb92d295066aac : SUCCESS in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a302f4a6f2ac4d7eb44542d0936823d7 : SUCCESS in 4m 43s