Build failed. https://zuul.opendev.org/t/openstack/buildset/bfa88aab16eb4acd84f481d6d819d185 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8db703e962fd4d21b0fbb093fffbd4e5 : SUCCESS in 3m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9072b84c65e54dacae95bb41e6069843 : FAILURE in 2m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8568d0c71ea64206bb1be56e46943f0c : SUCCESS in 4m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/046aeb06c6514ffc98800e7f3fc36f48 : SUCCESS in 4m 04s