PyArg_Parse*() functions: factorize code for s/z and u/Z formats
diff --git a/Lib/test/test_pyexpat.py b/Lib/test/test_pyexpat.py
index 00d92f9..3898348 100644
--- a/Lib/test/test_pyexpat.py
+++ b/Lib/test/test_pyexpat.py
@@ -184,7 +184,7 @@
             self.fail()
         except TypeError as e:
             self.assertEquals(str(e),
-                'ParserCreate() argument 2 must be string or None, not int')
+                'ParserCreate() argument 2 must be str or None, not int')
 
         try:
             expat.ParserCreate(namespace_separator='too long')