Build failed. https://zuul.opendev.org/t/openstack/buildset/5ec8a35c6468433285407401fa93094e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b5ba4de39ea74e8a8d9a1881af129420 : SUCCESS in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/99469e7e8a2741e1a47a9bcc2a30e3fe : FAILURE in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/12f760142846415da670a3881f05e97d : SUCCESS in 5m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cbd06a76c5fa48aab4974cd5d59872a5 : SUCCESS in 9m 09s