Build failed. https://zuul.opendev.org/t/openstack/buildset/6075e6c6028946ae833b9a0b3caecaef - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e54359dd4a8f4466923c62aca0f4341f : SUCCESS in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/13770a5b2edf4039ae4bc07eb3997942 : FAILURE in 5m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/18067c7f6bbf4c37aad3ce1057c11da2 : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6dda5afb39b84191b2c9239899f486e8 : SUCCESS in 4m 31s