Build failed. https://zuul.opendev.org/t/openstack/buildset/562b089752ed45d6b27f6cced9a13db4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/071bc445aa174f62969b0b3b2da9da52 : SUCCESS in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a3290bd399ff421194b41f76976df18c : FAILURE in 4m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/24308e3836cc438a9825a7cd959fdeb3 : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/79d2b32ff43442cd968eb71054b0af2e : SUCCESS in 4m 06s