Build failed. https://zuul.opendev.org/t/openstack/buildset/81eee4ea39e94ebaa908e7466be1b468 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c16be132d7f942a8b5eb266552a2a07d : SUCCESS in 2m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0113141910a1481ea2cc17a30b4957e2 : FAILURE in 2m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9f6033c3d5a743408c8b56e59d648f86 : FAILURE in 2m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/990ed24bd18e4acc8502ffca1ea27ecc : FAILURE in 3m 09s