Build failed. https://zuul.opendev.org/t/openstack/buildset/d4c08564b20742c794008312c9fddecd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b02f4c89166e4c72854b5ff663c86e0f : SUCCESS in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1ebdcbb66f2c468cb6bf376eee60c225 : FAILURE in 2m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/38adfa8b8e96416580ce4b95a246f3ca : SUCCESS in 3m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a9071936d5de43dcb333927630dfd9c1 : SUCCESS in 4m 00s