Build failed. https://zuul.opendev.org/t/openstack/buildset/10462a66b92d47b4aecda4d610cabfed - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/da4e9186a7b3465c8b83b356bdd0831c : SUCCESS in 4m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c85ea67e08fb4ee88547e733f9031701 : FAILURE in 4m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/acbf1d4b79e84f20aba78731f0e50a29 : SUCCESS in 4m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/79d37bd2165d46618d9cc4773a1b8134 : SUCCESS in 4m 46s