Update app.py

app.py

@@ -128,7 +128,7 @@ def truncate_history(history: list[tuple[str, str]], system_message: str, max_le
 
 def respond(
     message,
-    history: list[tuple[str, str]], # Receive history as parameter
+    history_state, # Receive history_state instead of history
     system_message,
     max_tokens,
     temperature,
@@ -136,6 +136,7 @@ def respond(
 ):
     """Responds to a user message, maintaining conversation history.  Returns history."""
 
+    history = history_state # Access the value of history_state
     formatted_system_message = system_message # Use the provided system message
 
     truncated_history = truncate_history(history, formatted_system_message, MAX_CONTEXT_LENGTH - max_tokens - 100)
@@ -173,7 +174,7 @@ def clear_memory():
 # --- Gradio Interface ---
 with gr.Blocks() as demo:
     history_state = gr.State([]) # Initialize history as a state
-    chatbot = gr.Chatbot(label="Roos NVC Chatbot", value=history_state) # Initialize chatbot with state
+    chatbot = gr.Chatbot(label="Roos NVC Chatbot", value=[]) # Initialize chatbot with empty list, not history_state directly
     msg = gr.Textbox(label="Your Message", placeholder="Type your message here...") # Added placeholder
     with gr.Row():
         send_btn = gr.Button("Send")