Build failed. https://zuul.opendev.org/t/openstack/buildset/d6fa177a8e4b4d4e9c6c9abe76a5c77d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e229e8edf0ad4724af6b5640fd706dcb : FAILURE in 9m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/03b5c60e8601460ebebe2aa05c2862e6 : SUCCESS in 5m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/91398c15ece74b8c9f8f6b69a767bebc : SUCCESS in 5m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a2641ead68ee4c3aa7b2b9e3592c6438 : SUCCESS in 8m 47s