Fixed a bug that caused namespace names to be reported as lists rather
than tuples.
diff --git a/Lib/xml/sax/expatreader.py b/Lib/xml/sax/expatreader.py
index 2f9a297..fed5e2d 100644
--- a/Lib/xml/sax/expatreader.py
+++ b/Lib/xml/sax/expatreader.py
@@ -145,6 +145,8 @@
         pair = string.split(name)
         if len(pair) == 1:
             pair = (None, name)
+        else:
+            pair = tuple(pair)
 
         newattrs = {}
         for (aname, value) in attrs.items():