Update app.py

app.py

@@ -23,7 +23,7 @@ with gr.Blocks() as demo:
     def respond(history):
 
         if len(history) == 1:
-            history.insert(0,{"role": "assistant", "content": "You are a helpful assistant."})
+            history.insert(0,{"role": "system", "content": "You are a helpful assistant."})
         # messages = history.copy()
         response = client.chat.completions.create(
                             model="gpt-4o-mini",