Build failed. https://zuul.opendev.org/t/openstack/buildset/6734dbd0f9674a70af11ccb3e99ebee7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/66b345c5d5e044599ff9238d87d8773c : SUCCESS in 3m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/45ccd6366726428a90f38b711f8661f6 : FAILURE in 3m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/266a82a9ce584c68ab9eb82fa95dca73 : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d988838aee84738a8373de3ee518f12 : SUCCESS in 3m 30s