def _remove_successor(self, node, successor, trans_id):
        self._remove_relative('successors', node, successor, trans_id)
Flush the idmapper cache only for a given instance.
dataset/ETHPy150Open kakwa/pygraph_redis/pygraph_redis/directed_graph.py/Directed_graph._remove_successor--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/utils/idmapper/models.py/flush_cached_instance