Build failed. https://zuul.opendev.org/t/openstack/buildset/90b651fc47c54d9ca3fe621af77144a2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/19ebe5a067ff4fe9a552845e9b0a149d : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/34296839fe594af2b1515fca728771d2 : SUCCESS in 2m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b784f4deebbf40a4aa21ab28febe83bc : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/38b642ae196d420caacc992c220d8c23 : FAILURE in 2m 24s