Build failed. https://zuul.opendev.org/t/openstack/buildset/a0e82f1fab3740e294dbe46a7bc6504e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2a5155206ba947d691b5586f155921ac : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/46953aa6aa054291bd7d475168baa006 : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d2da49649f7240a6baa19c840e4cb45b : SUCCESS in 2m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9ee9e98465584db9a6960a7a049c25fc : SUCCESS in 3m 11s