Clear gpt history attempt 2

app.py

@@ -43,11 +43,11 @@ instructions = {
 }
 
 def grad_demo():
-    gpt_history = []
     with gr.Blocks() as demo:
+        gpt_history = []
         def user(user_message, history):
             gpt_history.append({"role": ChatRoles.USER, "content": user_message})
-            print(gpt_history)
+            print(f"Length of gpt_history: {gpt_history}")
             return "", history + [[user_message, None]]
         def bot(history):
             step = len(history)
@@ -57,9 +57,12 @@ def grad_demo():
             bot_message = get_assistant_response(gpt_history)
             history[-1][1] = bot_message
             gpt_history.append({"role": ChatRoles.ASSISTANT, "content": bot_message})
-            print(gpt_history)
+            print(f"Length of gpt_history: {gpt_history}")
             return history
-        chatbot = gr.Chatbot(value = lambda : bot([[None, None]]))
+        def initialize():
+            gpt_history.clear()
+            return bot([[None, None]])
+        chatbot = gr.Chatbot(value = initialize)
         msg = gr.Textbox()
         clear = gr.Button("Clear")
         msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(