Build failed. https://zuul.opendev.org/t/openstack/buildset/0be0fe60068f4069aac1d3da15952323 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7f5dc05ca6ad4970b26c9007d0dc8973 : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/83abc67fe97849919f8d8a45cb5f83eb : FAILURE in 3m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1a2f0eee8323463194dffd57adc2a513 : SUCCESS in 4m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d3570d956b44458e8ab27826d701c8f4 : SUCCESS in 4m 53s