Delete the items variable (and explain why).
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
index 8786094..210ca19 100644
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -687,6 +687,10 @@
for (name, value) in items:
if name[ : 5] == "test_":
confirm(value(), name)
+# We delete the items variable so that the assignment to items above
+# doesn't pick up the old value of items (which messes with attempts
+# to find reference leaks).
+del items
if verbose:
print "%d tests, %d failures" % (tests, len(failures))