Build failed. https://zuul.opendev.org/t/openstack/buildset/119a1683fecb45d79f9bf5e71e5d5152 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6414d9a6e5354964934990d2586cbb64 : SUCCESS in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2ee7b0b72b1a41e6a05aa4b393dd2b30 : FAILURE in 2m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eca6ce6b1666439db586ab51781ff5cc : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/394ae6d3dbec4f2ead64593d5e5d5020 : SUCCESS in 4m 46s