Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/86d50ebc643040fe924af5a9c5de22e1 : SUCCESS in 7m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/aa326ad37dd14174afa9e62e90924700 : FAILURE in 5m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eb7c5334359c43548c28a06d63b66a39 : SUCCESS in 8m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bc05a5a45df14419ab7b3f40117c057d : SUCCESS in 9m 49s