Update app.py

app.py

@@ -50,8 +50,7 @@ def stitch_rgbd_videos(
             # Normalize the depth frame to the range [0, 255].
             depth_norm = ((depth_frame - d_min) / (d_max - d_min) * 255).astype(np.uint8)
 
-            if depth_norm > 255:
-                depth_norm = 255
+            depth_norm = np.clip(depth_norm, 0, 255)
             
             # Generate depth visualization:
             if grayscale: