Method callback

cassandra/cluster.py:3315–3317

(pool, errors)

                    errors_returned = []

                    def callback(pool, errors):
                        errors_returned.extend(errors)
                        set_keyspace_event.set()

                    new_pool._set_keyspace_for_all_conns(self.keyspace, callback)
                    set_keyspace_event.wait(self.cluster.connect_timeout)