Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/78d752d0063d4fb6a30ee796d67acd36 : SUCCESS in 9m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fcacc1ceb39346e891f073285634cc5f : FAILURE in 4m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/afdcf74e8a3b48f498dcbaf81715bb20 : SUCCESS in 12m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/19d97a8801e14598a4b8f8a6363b2db3 : SUCCESS in 7m 17s