Build failed. https://zuul.opendev.org/t/openstack/buildset/b0f15eb858d540ada95bb3acab2e2c86 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cb91cb00ccf843ca957ba3a39776e2dd : FAILURE in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8bf02793d4cd42a980bdf11eb9aa9a03 : SUCCESS in 6m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c9a30852df0449dfb715aa6f14504c74 : SUCCESS in 4m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5c102ff22e1945acbddc592b8a0bccbc : SUCCESS in 2m 56s