Hi, There is an ongoing effort to port OpenStack applications to Python 3 during the Liberty cycle. The following table gives the status of each application and links to patches: https://wiki.openstack.org/wiki/Python3#OpenStack_applications Specs were accepted for: * heat: https://review.openstack.org/#/c/175340/ * keystone: https://review.openstack.org/#/c/177380/ * neutron: https://review.openstack.org/#/c/172962/