def scan(self, callback_new_object = None):
        """Call the callback on each new object"""
        # We need this in order to free the refs still held
        # by _scan due to the callback (approx explanation...)
        gc.collect()
        self._scan(callback_new_object)
        gc.collect()
Call the callback on each new object
recipes/Python/576523_Track_newunreclaimed_objects_between_2_points/recipe-576523.py