Update app.py

app.py

@@ -77,9 +77,9 @@ def clear_data():
 
 with gr.Blocks() as demo:
     count = 0
-    def echo(text, request: gr.Request):
-        return chat_history
-    io = gr.Interface(echo, "textbox", "textbox")
+    gr.Markdown(
+    f"{chat_history}"
+    )
     aa = gr.Interface(
       fn=chat,
       inputs=["text", "text", "text"],