Build failed. https://zuul.opendev.org/t/openstack/buildset/609e7bbc5854432ba76788c93de201ca - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a9cc09ded5b466cbe2c19198dd2bd23 : SUCCESS in 7m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c16d8649af20495d9dbda1bb87b7468c : SUCCESS in 9m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0ca67f0572f94882b7115084a8a59068 : SUCCESS in 7m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/71ffa759a2df48428ff2739b06557e24 : FAILURE in 7m 15s