Build failed. https://zuul.opendev.org/t/openstack/buildset/1385b7ef2b7d4f57a67052563406439c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/39091649cfc3494f85d8b33a4293b8ea : SUCCESS in 7m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a0fa7f92b0b2473cb0f974527e9cf9a1 : FAILURE in 6m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/96066dc7274f4c64a6395634792003ca : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/40355afb66044042b12ba1003ec6a575 : SUCCESS in 6m 29s