downgraded to gradio 5

app.py

@@ -22,7 +22,7 @@ def make_system_message(system_message, demographics, occupation, psychographics
 
 def stream_chat(
     message,
-    history,                # In Gradio 6, this is a list of dicts: [{"role": "user", "content": "..."}]
+    history,
     system_message,
     demographics,
     occupation,
@@ -34,14 +34,14 @@ def stream_chat(
     top_p,
 ):
     """
-    Streaming generator that yields the progressively updated chat history using Gradio 6's message format.
+    Streaming generator that yields the progressively updated chat history.
     """
     # 1) Build system + conversation messages
     sys_msg = make_system_message(system_message, demographics, occupation, psychographics, buying_habits, critical_mode)
 
     messages = [{"role": "system", "content": sys_msg}]
     
-    # Append past history (Gradio 6 format is already compatible with OpenAI's format!)
+    # Append past history 
     for msg in (history or []):
         messages.append({"role": msg["role"], "content": msg["content"]})
         
@@ -88,8 +88,8 @@ with gr.Blocks(title="Virtual Consumer Persona – Live Focus Group!") as demo:
     *Powered by OpenAI GPT-4o-mini. Developed by wn.*
     """)
 
-    # Explicitly set type="messages" for Gradio 6 compatibility
-    chatbot = gr.Chatbot(height=450, type="messages")
+    # Removed the type="messages" argument to prevent the initialization crash
+    chatbot = gr.Chatbot(height=450)
 
     with gr.Column():
         instructions = gr.Textbox(