import os
import tempfile
import commands
-from sfa.util.faults import *
+from sfa.util.faults import NonExistingRecord, RecordNotFound
from sfa.util.xrn import hrn_to_urn
from sfa.util.method import Method
-from sfa.util.parameter import Parameter, Mixed
-from sfa.trust.auth import Auth
+from sfa.util.parameter import Parameter
from sfa.util.table import SfaTable
from sfa.trust.certificate import Keypair
from sfa.trust.gid import create_uuid