Build failed. https://zuul.opendev.org/t/openstack/buildset/49108ea0d58d4de39591d4a851255e7f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/264187af927b4b3b89db58bcd943fc21 : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/911d5d2964084a87bb9c350065aa3046 : FAILURE in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/24ccd0e35a354484920f5f71d1ed4bdf : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f175ec66f8e40dc89b500e218a729ca : FAILURE in 2m 53s