def _write_type(self, obj, **kwargs):
        raise NotImplementedError
This handles a rather hackerish method used to make appointments
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/PyAMF-0.6.1/pyamf/codec.py/Encoder._write_type--crossover with--dataset/ETHPy150Open lsaffre/lino/lino/modlib/extensible/models.py/PanelEvents.create_instance