Slicing of strings must be with unicode strings.

svn: r13165

src/plugins/tool/RemoveUnused.py

@@ -424,6 +424,8 @@ class RemoveUnused(Tool.Tool, ManagedWindow.ManagedWindow, UpdateCallback):
         text = " ".join(text.split())
 
         # if the note is too long, truncate it
+        # but first set type of text to unicode, otherwise the sliceing might go wrong.
+        text = unicode(text)
         if len(text) > 80:
             text = text[:80] + "..."