Update app.py

app.py

@@ -462,7 +462,7 @@ if __name__ == "__main__":
         
         detect_btn.click(
             fn=process_image,
-            inputs=[input_img, conf_threshold, iou_threshold, nms_method, alpha_slider],
+            inputs=[input_img, conf_threshold, iou_threshold, nms_method, alpha_slider, show_labels_checkbox],
             outputs=[output_img, detection_info]
         )