Build failed. https://zuul.opendev.org/t/openstack/buildset/959042496dbd4c918fbe9143b930cdbb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e1bb65a01ca94e548b4c95facbadbd34 : SUCCESS in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b98ce7f89d0f4c7ab095730723f8ac08 : FAILURE in 5m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4cb91a9b59db45f2bfe6dfc8cd53e4ef : SUCCESS in 4m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dda30594457b4f44a559767e92381e5e : SUCCESS in 5m 07s