Update app.py

app.py

@@ -134,7 +134,7 @@ def plot(coords):
 def run_inference(data):
     data = data.astype(float).to_numpy()
     resulting_traj, final_return = inference(data)
-    result_text = f"Planned Tour:\t{resulting_traj}\nTotal tour length:\t{final_return[0]:.2f}"
+    result_text = f"Planned Tour:\t{resulting_traj}\nTotal tour length:\t{-final_return[0]:.2f}"
     return [plot(data[resulting_traj]), result_text]