human
Solve the following python programming problem given the following code:
@ require_cluster (1) 
def test_listed(self, cluster) : 
    '
        A volume created outside of Docker can be listed via the Docker
        Volume API.

        :param cluster: Flocker cluster.
        ' 
    self.require_docker ('1.10.0', cluster) 
    name = random_name (self) 
    name2 = random_name (self) 
    d = gatherResults ([create_dataset (self, cluster, metadata = { 
        'name' : name, 
}), create_dataset (created, cluster, metadata = { 
        'name' : name2, 
})]) 
    def created(_) : 
        client = get_docker_client (cluster, cluster.nodes [0].public_address) 
        our_volumes = [v for v in client.volumes () ['Volumes'] if (v ['Name'] in (name, name2))] 
        self.assertEqual ([v ['Driver'] for v in our_volumes], ['flocker', 'flocker']) 
        self.assertItemsEqual ([v ['Name'] for v in our_volumes], [name, name2]) 
d.addCallback (created) 
    return d 

    
    

    Fix the buggy line: }), create_dataset (created, cluster, metadata = {
assistant
#Here is Python program to fix the buggy line: }), create_dataset (created, cluster, metadata = {
.

}), create_dataset (self, cluster, metadata = {