loxi-prep: move header fields into the message classes
diff --git a/tests/load.py b/tests/load.py
index 3b72f72..2f0c05f 100644
--- a/tests/load.py
+++ b/tests/load.py
@@ -195,7 +195,7 @@
         self.assertNotEqual(msg, None, "Barrier failed")
         while self.controller.packets:
            msg = self.controller.packets.pop(0)[0]
-           self.assertNotEqual(msg.header.type, ofp.message.OFPT_ERROR,
+           self.assertNotEqual(msg.type, ofp.message.OFPT_ERROR,
                                "Error received")
 
     def runTest(self):