Build failed. https://zuul.opendev.org/t/openstack/buildset/48eca9d2c42140f9a727e17898d0e1d3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/08959b3b9b5344b390e0bb374fbe0a0d : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c78be9888f7648a599ff163da5b71cf0 : SUCCESS in 3m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef5b70d2aea94fe381e48618d30280ad : FAILURE in 2m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f3c538efc600475c985d010544d60e9a : FAILURE in 2m 38s