Raise statement normalization in Lib/test/.
diff --git a/Lib/test/test_dl.py b/Lib/test/test_dl.py
index ba5d8bd..606da46 100755
--- a/Lib/test/test_dl.py
+++ b/Lib/test/test_dl.py
@@ -31,4 +31,4 @@
             print('worked!')
         break
 else:
-    raise TestSkipped, 'Could not open any shared libraries'
+    raise TestSkipped('Could not open any shared libraries')