Build failed. https://zuul.opendev.org/t/openstack/buildset/a7c678c0289847c799a199ad3c70ad16 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/de34d5b8aea549d98fc266136b3d89d5 : SUCCESS in 4m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5a2efe6caa2e45aba660a8343051b9ce : SUCCESS in 4m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d4fdf37e3b34c748786f3a1ac199661 : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d91f2f50ca204f44802456318a5e3afe : FAILURE in 6m 32s