Raise statement normalization in Lib/test/.
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 7207de5..22ec748 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -5,7 +5,7 @@
 try:
     import posix
 except ImportError:
-    raise test_support.TestSkipped, "posix is not available"
+    raise test_support.TestSkipped("posix is not available")
 
 import time
 import os