Build failed. https://zuul.opendev.org/t/openstack/buildset/b861cd4c250d4a1793798eb48acaead3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/964d5484699a4b5f9340d3c25ba37a96 : FAILURE in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/24ebfd841abd49058fe8512910e991dc : SUCCESS in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8fab27c6697d4573821def2aa909eefa : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9725c2eabd2e489fbeffa67c02958770 : SUCCESS in 3m 27s