Build failed. https://zuul.opendev.org/t/openstack/buildset/b1eb159c76f84c9ebe7c690eed5c02d5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cd0cc3981bd94ee9a41529c3eff32590 : SUCCESS in 2m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7ade1362a5454a959311620ce3976b86 : FAILURE in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/60fcc3c6c9314c32a0356bf2ec70e3b5 : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9d34eb231ab34278bcac3b8122441c77 : FAILURE in 2m 37s