Build failed. https://zuul.opendev.org/t/openstack/buildset/6b2abcb6d7b04b1a8f53a9c875d4a7fc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/260c7c114382405f8a5644fb63c6f96e : FAILURE in 6m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9edfe6f78d204ca296011bcab3025659 : SUCCESS in 7m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/53ea15b4436d4811aea84a052b76d417 : SUCCESS in 6m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5e686fc618a4b068b7e3d28bdc04b5a : SUCCESS in 7m 10s