Build failed. https://zuul.opendev.org/t/openstack/buildset/483cf5abdb004b7ca5222a499a3a6777 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/986881074fc74fbd9cfe0d3e97f2f613 : SUCCESS in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/36e5d69c3dac4d35a38812f27f3d37d8 : SUCCESS in 4m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e42b44dc82b74badb9875687ddf0352e : SUCCESS in 3m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d27e289beca848bba3c3e3402f1f1006 : FAILURE in 3m 15s