Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index bfc77fe..ee3ffc7 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -438,7 +438,7 @@
 
     def testRaise(self):
         # 'raise' test [',' test]
-        try: raise RuntimeError, 'just testing'
+        try: raise RuntimeError('just testing')
         except RuntimeError: pass
         try: raise KeyboardInterrupt
         except KeyboardInterrupt: pass