def delete_cluster_parameter_group(self, parameter_group_name):
        if parameter_group_name in self.parameter_groups:
            return self.parameter_groups.pop(parameter_group_name)
        raise ClusterParameterGroupNotFoundError(parameter_group_name)
dataset/ETHPy150Open spulec/moto/moto/redshift/models.py/RedshiftBackend.delete_cluster_parameter_group/original