Build failed. https://zuul.opendev.org/t/openstack/buildset/bbc1743876494a8b9d2ebdc396524c72 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3b023a04da744f48850b19ff0428d5b3 : SUCCESS in 3m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/28be80afabd54ae8a62e6261f4925507 : FAILURE in 2m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a0c7bce1ae664f6fbb0bc0bb34c8c814 : SUCCESS in 3m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2da2c574273b4b5c99c6f4de79d4a713 : FAILURE in 2m 44s