Build failed. https://zuul.opendev.org/t/openstack/buildset/824b3e1182694da58f992660c64efd5e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/60fd933ef66e47cdb5f607edf49efe17 : SUCCESS in 2m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4ade97e61ae84bb9b7d61a9dc1518802 : SUCCESS in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2973a4ef22c14139854283e0121d6dd4 : SUCCESS in 2m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7101ab680ed84010a07da7d81dfe2818 : FAILURE in 2m 55s