from sfa.rspecs.elements.granularity import Granularity
from sfa.rspecs.version_manager import VersionManager
-from sfa.planetlab.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename, slicename_to_hrn, top_auth, hash_loginbase
+from sfa.planetlab.plxrn import PlXrn, hostname_to_urn
from sfa.planetlab.vlink import get_tc_rate
from sfa.planetlab.topology import Topology
from sfa.storage.model import SliverAllocation