Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a8994e1247014977ad07f32f4667e69d : SUCCESS in 15m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/32d5b312a13d4759953ac6132278a449 : FAILURE in 7m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0daeef437be04b5aa7f343b75e95bbd4 : SUCCESS in 7m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81a44690ec234371bf07655ea74f5426 : SUCCESS in 8m 14s