Update app.py

app.py

@@ -48,7 +48,7 @@ with gr.Blocks() as nps:
     category_boxes = gr.State([])  # Store category input boxes as state
     
     def display_categories(categories):
-        category_column.clear()  # Clear previous categories
+        category_column.children = []  # Reset children to clear previous categories
         for i, cat in enumerate(categories):
             with category_column:
                 with gr.Row():
@@ -83,7 +83,7 @@ with gr.Blocks() as nps:
             ])
             components.append(row)
         return components
-    category_column = gr.Row()
+    category_column = gr.Column()
     add_category_btn.click(fn=add_category, inputs=[category_boxes, category_input], outputs=category_boxes)
     category_boxes.change(fn=display_categories, inputs=category_boxes, outputs=category_column)
     category_boxes.change(fn=display_categories, inputs=category_boxes, outputs=category_column)