Build failed. https://zuul.opendev.org/t/openstack/buildset/339ff3380d4f48109a415f371bf534e5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6a58ec6a3b1b4dbb9e907d67d7fb1629 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a662946b997d4e939166a9e8fc6a0a68 : FAILURE in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/01b1960fbf0d4201bb86934447d12e28 : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/41b2baadbdc04de8b16d2798bea97f84 : SUCCESS in 3m 48s