Build failed. https://zuul.opendev.org/t/openstack/buildset/096ec4c135cf420081c2274c1554abe4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3db36bdf093a4f82b481295367f8bb69 : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dea39369342a429d9886a84a54f5f1a3 : SUCCESS in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/509f3ab5f68d4700bf9cd8a4794ae139 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9782551899084cc5822775bef8d9bbc7 : FAILURE in 3m 24s