Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/33f044d6b402491b9c7b67ccacc2f300 : SUCCESS in 5m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d686f9db031b47d3bb959866fdca36b8 : FAILURE in 3m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d8d51f8d2c8f4efd906c190f9e9b23fe : SUCCESS in 5m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b25a09c709d4d6dbbe8a9d0af310847 : SUCCESS in 4m 14s