Build failed. https://zuul.opendev.org/t/openstack/buildset/1a1c3bc90a6846cd981da5ec33aa5f47 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/818b067e9470472a9646855f42950b44 : SUCCESS in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/901ed536ddf84186b76d194901961e06 : FAILURE in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d9b7322cba63410d929ebf6694a0cb75 : FAILURE in 2m 49s