Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1253f4248e40442f958941c28f8a255e : SUCCESS in 10m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b1de72f15d96469bb45d5c94c651069b : FAILURE in 6m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/83cc129df70b4c6da070520705b926e8 : SUCCESS in 6m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8497842fd58242c381d52c749937c8b2 : SUCCESS in 7m 31s