--- version.py.old	2011-09-26 13:05:43.744571626 -0400
+++ version.py	2011-09-26 13:07:21.564715102 -0400
@@ -263,6 +263,8 @@
     def __init__ (self, vstring=None):
         if vstring:
             self.parse(vstring)
+        else:
+            self.vstring = self.version = ""
 
 
     def parse (self, vstring):