Build failed. https://zuul.opendev.org/t/openstack/buildset/bde175a178bb41c8a0340cd605300d46 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0f11eaf1af654359ae6610ed7e961887 : SUCCESS in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/92e68ec55602439bb69c01e146ffa6cb : FAILURE in 2m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/49239f95e61a4e38a3896e384772d9c2 : SUCCESS in 2m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b6ecdad78c834bc3b96bb8b8d02b0d84 : FAILURE in 2m 25s