tweak

app.py

@@ -135,13 +135,13 @@ def filter_overlapping_boxes(filter_box_info, iou_threshold=0.5):
     for i, box in enumerate(other_boxes):
         should_keep = True
         
-        for kept_box in other_kept_boxes:
+        for kept_box in kept_other_boxes:
             if calculate_iou(box, kept_box) > iou_threshold:
                 should_keep = False
                 break
         if should_keep:
-            other_kept_boxes.append(box)
-    return other_kept_boxes + kept_boxes
+            kept_other_boxes.append(box)
+    return kept_other_boxes + kept_boxes
     
 def getCenterXDis(box1, box2):
     x0_1, y0_1, x1_1, y1_1 = box1