Update app.py

app.py

@@ -208,4 +208,21 @@ with gr.Blocks(css=MODEL_SELECTION_CSS, theme='gradio/soft') as demo:
         [chatbot, local_data]
     )
 
+    for btn in channel_btns:
+        btn.click(
+            set_chatbot,
+            [btn, local_data, chat_state],
+            [chatbot, idx, example_block, regenerate]
+        ).then(
+            None, btn, None, 
+            _js=UPDATE_LEFT_BTNS_STATE        
+        )
+
+    demo.load(
+        None,
+        inputs=None,
+        outputs=[chatbot, local_data],
+        _js=GET_LOCAL_STORAGE,
+    )     
+
 demo.launch()