Don't report a final chunk for an external entity parser.
diff --git a/Lib/xml/sax/expatreader.py b/Lib/xml/sax/expatreader.py
index cc2f7ea..14bc087 100644
--- a/Lib/xml/sax/expatreader.py
+++ b/Lib/xml/sax/expatreader.py
@@ -196,7 +196,6 @@
 
         try:
             xmlreader.IncrementalParser.parse(self, source)
-            self._parser.Parse("",1)
         except:
             return 0  # FIXME: save error info here?