def resource(self, identifier):
        if not isinstance(identifier, Node):
            identifier = URIRef(identifier)
        return Resource(self, identifier)
Removes an IP from an instance.
dataset/ETHPy150Open RDFLib/rdflib/rdflib/graph.py/Graph.resource--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/multinic.py/MultinicController._remove_fixed_ip