--- versionedFile/versionedFile.py	2006/06/18 12:55:30	1.64
+++ versionedFile/versionedFile.py	2006/06/18 12:59:46	1.65
@@ -862,10 +862,15 @@ class versionedFile(CatalogAware,Folder)
         d=Differ()
         tmp=self.getLastVersion().data
         #print "XX",data,tmp
-        try:
-         l=list(d.compare(data.splitlines(1),tmp.splitlines(1)))
+
+	try:
+	        l=list(d.compare(data.splitlines(1),tmp.splitlines(1)))
         except:
-            return 0,""
+		try:
+			l=list(d.compare(repr(data).splitlines(1),tmp.splitlines(1)))
+		except:
+			return 9999,[]
+
         plus=0
         minus=0
         for a in l: