diff --git a/tools/nasparse.py b/tools/nasparse.py
index c78ed3b..11cc8ad 100755
--- a/tools/nasparse.py
+++ b/tools/nasparse.py
@@ -54,7 +54,7 @@ if __name__ == "__main__":
     buffer = sys.argv[1]
     msg = parse_nas_message(buffer)
     pprint.pprint(msg)
-    (triggered, message)= heur_ue_imsi_sent(msg)
-    if(triggered): 
+    triggered, message = heur_ue_imsi_sent(msg)
+    if triggered: 
         print(message)
         exit(1)
\ No newline at end of file