Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5d4b468ef56f4a6cbb34f4d893dac5da : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f28032a1e85e4dfdbcd999fed9480c93 : FAILURE in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b50a1f8ae6a44de3826b35a571464265 : SUCCESS in 4m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/59649c74bf88440ab1761e9813615048 : SUCCESS in 5m 18s