-def get_leaf(hrn): return Xrn(hrn=hrn,type='any').get_leaf()
-def get_authority(hrn): return Xrn(hrn=hrn,type='any').get_authority_hrn()
-def urn_to_hrn(urn): xrn=Xrn(urn=urn); return (xrn.hrn, xrn.type)
+def get_leaf(hrn): return Xrn(hrn=hrn).get_leaf()
+def get_authority(hrn): return Xrn(hrn=hrn).get_authority_hrn()
+# these methods we should get rid of eventually
+def urn_to_hrn(urn): xrn=Xrn(xrn=urn); return (xrn.hrn, xrn.type)