Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6717fc989a044b3eaaec445cc6ab5047 : SUCCESS in 15m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eeeec542904646fd9e0ac2d75f1f650b : SUCCESS in 16m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8ced84565a41451aaa84f733132acbd6 : SUCCESS in 16m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a9605e3b578740f6976f23ecae712636 : FAILURE in 21m 23s