--- versionedFile/versionedFile.py	2006/06/17 16:32:12	1.63
+++ versionedFile/versionedFile.py	2006/06/18 12:55:30	1.64
@@ -862,8 +862,10 @@ class versionedFile(CatalogAware,Folder)
         d=Differ()
         tmp=self.getLastVersion().data
         #print "XX",data,tmp
-        l=list(d.compare(data.splitlines(1),tmp.splitlines(1)))
-        
+        try:
+         l=list(d.compare(data.splitlines(1),tmp.splitlines(1)))
+        except:
+            return 0,""
         plus=0
         minus=0
         for a in l: