fix none result

app.py

@@ -202,7 +202,7 @@ with gr.Blocks(css="""
 
     def detect_chessboard(image):
         if image is None:
-            return None, None, None, None
+            return None, None, None, None, None
         
         try:
             original_image_with_keypoints, transformed_image, cells_labels_str, scores, time_info = detector.pred_detect_board_and_classifier(image)
@@ -218,7 +218,7 @@ with gr.Blocks(css="""
 
         except Exception as e:
             gr.Warning(f"检测失败 图片或者视频布局错误")
-            return None, None, None, None
+            return None, None, None, None, None
 
 
         table_html = gen_table_html(annotation_arr_10_9_short)