Sybren A. Stüvel
696351e9b4
In some cases we db_user['groups'] = [u'subscriber'], which is invalid (it should be a list of ObjectIDs), but I have no idea how it gets there.
Pillar
This is the latest iteration on the Attract project. We are building a unified framework called Pillar. Pillar will combine Blender Cloud and Attract. You can see Pillar in action on the Blender Cloud.