Update app.py

app.py

@@ -40,10 +40,8 @@ def run_theia(image):
         device='cuda',
     )
     
-    vis_video = np.stack(
-        [np.vstack([tr, gtr]) for tr, gtr in zip(theia_decode_results, gt_decode_results, strict=False)]
-    )
-    vis_video = (255.0 * vis_video).astype(np.uint8)
+    vis = np.vstack([theia_decode_results[0], gt_decode_results[0]])
+    vis = (255.0 * vis).astype(np.uint8)
 
     return vis_video