loxi-prep: get OFPT_ERROR from the correct module
diff --git a/tests/load.py b/tests/load.py
index 51d8661..4680edb 100644
--- a/tests/load.py
+++ b/tests/load.py
@@ -195,8 +195,7 @@
         self.assertNotEqual(msg, None, "Barrier failed")
         while self.controller.packets:
            msg = self.controller.packets.pop(0)[0]
-           self.assertNotEqual(msg.type, ofp.message.OFPT_ERROR,
-                               "Error received")
+           self.assertNotEqual(msg.type, ofp.OFPT_ERROR, "Error received")
 
     def runTest(self):
         msg, pkt = self.controller.transact(ofp.message.table_stats_request())