def _set_cs(self):
        if self.has_cs:
            self._cs = GEOSCoordSeq(capi.get_cs(self.ptr), self.hasz)
        else:
            self._cs = None
Update flush lists with the {flush_key: [query_key,...]} map.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/geos/geometry.py/GEOSGeometry._set_cs--crossover with--dataset/ETHPy150Open django-cache-machine/django-cache-machine/caching/invalidation.py/Invalidator.add_to_flush_list