from copy import deepcopy
from StringIO import StringIO
from sfa.util.xrn import Xrn, urn_to_sliver_id
-from sfa.util.plxrn import hostname_to_urn, xrn_to_hostname
-from sfa.rspecs.baseversion import BaseVersion
+from sfa.rspecs.version import RSpecVersion
from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
from sfa.rspecs.elements.versions.pgv2Node import PGv2Node
from sfa.rspecs.elements.versions.pgv2SliverType import PGv2SliverType
-class PGv2(BaseVersion):
+class PGv2(RSpecVersion):
type = 'ProtoGENI'
content_type = 'ad'
version = '2'