Update app.py

app.py

@@ -58,7 +58,8 @@ def chat(message, history):
     else:
         response = "I'm sorry, but I need an image to analyze. Please upload an image along with your question."
 
-    return {"text": response, "files": []}
+    history.append((message, {"text": response, "files": []}))
+    return history
 
 with gr.Blocks() as demo:
     gr.Markdown("# Llama 3.2 Vision Multimodal Chatbot Demo")
@@ -67,8 +68,9 @@ with gr.Blocks() as demo:
     chatbot = MultimodalChatbot(
         value=[],
         height=800,
-        callback=chat,
     )
+    
+    chatbot.submit(chat, [chatbot.messages, chatbot.messages], [chatbot.messages])
 
 if __name__ == "__main__":
     demo.launch()