import traceback
import types
from sfa.util.faults import *
-from sfa.util.namespace import *
+from sfa.util.xrn import urn_to_hrn
from sfa.util.method import Method
from sfa.util.parameter import Parameter, Mixed
-from sfa.util.debug import log
from sfa.trust.credential import Credential
from sfa.util.record import SfaRecord