Raise statement normalization in Lib/.
diff --git a/Lib/macpath.py b/Lib/macpath.py
index f54ffa0..5125f6b 100644
--- a/Lib/macpath.py
+++ b/Lib/macpath.py
@@ -143,7 +143,7 @@
                 i = i - 1
             else:
                 # best way to handle this is to raise an exception
-                raise norm_error, 'Cannot use :: immediately after volume name'
+                raise norm_error('Cannot use :: immediately after volume name')
         else:
             i = i + 1