Don't stomp on pkt when requesting query stats
diff --git a/tests/pktact.py b/tests/pktact.py
index a686dbd..1b9f9d3 100644
--- a/tests/pktact.py
+++ b/tests/pktact.py
@@ -223,7 +223,7 @@
         request = message.queue_stats_request()
         request.port_no  = ofp.OFPP_ALL
         request.queue_id = ofp.OFPQ_ALL
-        (queue_stats, pkt) = self.controller.transact(request, timeout=2)
+        (queue_stats, p) = self.controller.transact(request, timeout=2)
         self.assertNotEqual(queue_stats, None, "Queue stats request failed")
 
         act = action.action_enqueue()
@@ -261,7 +261,7 @@
                 request = message.queue_stats_request()
                 request.port_no  = egress_port
                 request.queue_id = egress_queue_id
-                (qs_before, pkt) = self.controller.transact(request, timeout=2)
+                (qs_before, p) = self.controller.transact(request, timeout=2)
                 self.assertNotEqual(qs_before, None, "Queue stats request failed")
 
                 pa_logger.info("Sending packet to dp port " + 
@@ -289,7 +289,7 @@
                 request = message.queue_stats_request()
                 request.port_no  = egress_port
                 request.queue_id = egress_queue_id
-                (qs_after, pkt) = self.controller.transact(request, timeout=2)
+                (qs_after, p) = self.controller.transact(request, timeout=2)
                 self.assertNotEqual(qs_after, None, "Queue stats request failed")
 
                 # Make sure that tx packet counter for selected egress queue was