Raise statement normalization in Lib/test/.
diff --git a/Lib/test/test_socketserver.py b/Lib/test/test_socketserver.py
index 0abd7ba..3e0c7a4 100644
--- a/Lib/test/test_socketserver.py
+++ b/Lib/test/test_socketserver.py
@@ -45,7 +45,7 @@
     if sock in r:
         return sock.recv(n)
     else:
-        raise RuntimeError, "timed out on %r" % (sock,)
+        raise RuntimeError("timed out on %r" % (sock,))
 
 def testdgram(proto, addr):
     s = socket.socket(proto, socket.SOCK_DGRAM)