Update app.py

app.py

@@ -164,7 +164,7 @@ def respond(message, history, chatbot_topic_values, user_id=1):
         #)
     #else:
      #   role_message = f"You are a helpful chatbot. Use this context: {topic_chunks}"
-    messages = [{"role": "assistant", "content": role_message}]
+    messages = [{"role": "system", "content": role_message}]
     if history:
         messages.extend(history)
     messages.append({"role": "user", "content": message})