Build failed. https://zuul.opendev.org/t/openstack/buildset/fd71c1b665d14b9fbb28ef8a52a20e40 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0b7660d2427b481d9ee6a94d16483343 : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/04bc7df7dbea48e4a0157418f2c2cf1f : FAILURE in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a6a1a7ef8bfb43e0840cbbe41ba8a4ad : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b9cc884efb340829da500dda2382210 : SUCCESS in 3m 47s