def post_save(self, obj, data, create_new=True):
super(ExtraMixinItemsInventory, self).post_save(obj, data, create_new)
if 'items' in data:
try:
InventoryService.sync_from_json(obj, data['items'])
except InventoryService.InventoryServiceException as exc:
raise BaseCanoniseResource.CanonException(unicode(exc))
