Fixed getLexicon so that it can properly raise an error when it cannot find...

Fixed getLexicon so that it can properly raise an error when it cannot find the proper lexicon object.

lib/python/Products/ZCTextIndex/ZCTextIndex.py

@@ -124,7 +124,7 @@ class ZCTextIndex(Persistent, Acquisition.Implicit, SimpleItem):
             lexicon = getattr(aq_parent(aq_inner(self)), self.lexicon_id)
             if not ILexicon.isImplementedBy(lexicon):
                 raise TypeError('Object "%s" is not a ZCTextIndex Lexicon'
-                                % lexicon.getId())
+                                % repr(lexicon))
             self._v_lexicon = lexicon
             return lexicon