Update app.py

app.py

@@ -127,7 +127,7 @@ with gr.Blocks() as demo:
     def restart(history):
         invitation = "ChatDoctor: "
         human_invitation = "Patient: "
-        return [[None,invitation+" I am ChatDoctor, what medical questions do you have?"]]
+        return [[" \n",invitation+" I am ChatDoctor, what medical questions do you have?"]]
             
     def user(user_message, history):
         invitation = "ChatDoctor: "