Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4daf6d4c265345cba21c63a83cf50f70 : SUCCESS in 4m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bd6721663684f4d91a6ad64c06c0722 : FAILURE in 3m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/926bbfa1e1c64741b595af8f738e46c1 : FAILURE in 5m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ddadc0dd7734472892ffd3eba4ab782b : FAILURE in 5m 12s