@util.deprecated(
        2.7, "Pool.add_listener is deprecated.  Use event.listen()")
    def add_listener(self, listener):
        interfaces.PoolListener._adapt_listener(self, listener)
Cluster observation data using a given metric.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/pool.py/Pool.add_listener--crossover with--dataset/ETHPy150Open scipy/scipy/scipy/cluster/hierarchy.py/fclusterdata