Fix formatting in detection output message for better readability

detect-objects.py

@@ -282,7 +282,7 @@ for bbox, category, score in zip(
     detections["score"]
 ):
     x, y, w, h = bbox
-    print(f"Detected {class_name} at ({x}, {y}) with confidence {{score:.2f}}")
+    print(f"Detected {class_name} at ({{x}}, {{y}}) with confidence {{score:.2f}}")
 
 # Filter high-confidence detections
 high_conf_examples = [