Build failed. https://zuul.opendev.org/t/openstack/buildset/295875e42c9640c98a2b834c80e269f6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fec7f1026e3741d79513b49e99491003 : FAILURE in 6m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2d083592b803436db83954dcfa141205 : SUCCESS in 5m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9950f5c632184497934942f22568e397 : SUCCESS in 6m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/332d3b0c58e440a5854783101f5a2ef8 : SUCCESS in 8m 07s