python binding bug is fixed

diff --git a/apps/stupid-interest-generator.h b/apps/stupid-interest-generator.h
index 53469c1..d2533c2 100644
--- a/apps/stupid-interest-generator.h
+++ b/apps/stupid-interest-generator.h
@@ -14,7 +14,7 @@
 #include <ns3/event-id.h>
 #include <ns3/ptr.h>
 
-#include "../model/ccn/ccn.h"
+#include "ccn/ccn.h"
 #include <ns3/udp-socket-factory.h>
 
 namespace ns3