Build failed. https://zuul.opendev.org/t/openstack/buildset/eae08784eea04c9997539ffc5daf41a6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5109287f931e4344a476da98c0e1f066 : SUCCESS in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/118163e3df4645bea017458997bb5375 : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9b4c3200ec234903ad314f2e7130be22 : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/084d2ba7e1a44ae29093ae49952bd67d : SUCCESS in 3m 20s