one more fix to renewsliver

diff --git a/sfa/methods/RenewSliver.py b/sfa/methods/RenewSliver.py
index 3b965ff..ab2063f 100644 (file)
--- a/sfa/methods/RenewSliver.py
+++ b/sfa/methods/RenewSliver.py
@@ -3,6 +3,7 @@ from sfa.util.namespace import *
 from sfa.util.method import Method
 from sfa.util.parameter import Parameter
 from sfa.trust.credential import Credential
+from dateutil.parser import parse
 
 class RenewSliver(Method):
     """