def unjellyInto(self, obj, loc, ao):
        """Utility method for unjellying one object into another.
        This automates the handling of backreferences.
        """
        o = self.unjellyAO(ao)
        obj[loc] = o
        if isinstance(o, crefutil.NotKnown):
            o.addDependant(obj, loc)
        return o
Utility method for unjellying one object into another.
        This automates the handling of backreferences.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/persisted/aot.py