Build failed. https://zuul.opendev.org/t/openstack/buildset/b3a22bbea9f149d28bbf320a799ffdd4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4ba5e75a68e84220868013f1bcac50b1 : SUCCESS in 8m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5ea9d098d92f4896a73d27903af53c5e : SUCCESS in 6m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/72038a9558fd4588a999b0e69cfafce6 : FAILURE in 5m 57s