from sfa.trust.credential_legacy import CredentialLegacy
from sfa.trust.rights import Right, Rights
from sfa.trust.gid import GID
-from sfa.util.namespace import urn_to_hrn
+from sfa.util.xrn import urn_to_hrn
# 2 weeks, in seconds
DEFAULT_CREDENTIAL_LIFETIME = 86400 * 14