Update app.py

app.py

@@ -151,7 +151,7 @@ with block:
     submit.click(chat, inputs=[message, state, agent_state], outputs=[chatbot, state])
     message.submit(chat, inputs=[message, state, agent_state], outputs=[chatbot, state])
 
-    embed_but.change(
+    embed_but.click(
         load_chain,
         outputs=[agent_state],
     )