Build failed. https://zuul.opendev.org/t/openstack/buildset/903c261cdecd4df3b2e7c6532b6c14e5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0cbc2fdeba134caeaae5e0ecb8c882ee : FAILURE in 5m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/511af0c5f9c742628f1e709cf03789b3 : SUCCESS in 6m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/917156dbccca4b4281f59116ba085ea2 : SUCCESS in 6m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c3a3bb90c1054e20815ca634dfc43ff6 : SUCCESS in 6m 55s