Do not change initial message

app.py

@@ -45,6 +45,7 @@ instructions = {
 def grad_demo():
     with gr.Blocks() as demo:
         gpt_history = []
+        initial_message = ""
         def user(user_message, history):
             gpt_history.append({"role": ChatRoles.USER, "content": user_message})
             print(f"Length of gpt_history: {gpt_history}")
@@ -54,14 +55,19 @@ def grad_demo():
             print(f"STEP: {step}")
             if step in instructions:
                 gpt_history.append({"role": ChatRoles.SYSTEM, "content": instructions[step]})
-            bot_message = get_assistant_response(gpt_history)
+            bot_message = ""
+            if step == 1 and initial_message:
+                bot_message = initial_message
+            else:
+                bot_message = get_assistant_response(gpt_history)
             history[-1][1] = bot_message
             gpt_history.append({"role": ChatRoles.ASSISTANT, "content": bot_message})
             print(f"Length of gpt_history: {gpt_history}")
             return history
         def initialize():
             gpt_history.clear()
-            return bot([[None, None]])
+            history = bot([[None, None]])
+            return history
         chatbot = gr.Chatbot(value = initialize)
         msg = gr.Textbox()
         clear = gr.Button("Clear")