Update snap.py

snap.py

@@ -1,5 +1,9 @@
 import gradio as gr
 
+load_chat():
+    return [("input","output")]
+
 with gr.Blocks() as app:
     chatbot=gr.Chatbot(show_label=False, show_share_button=True, show_copy_button=True, likeable=True, layout="panel", height="800px")
-    app.onload()
+    app.onload(load_chat,None,chatbot)
+app.launch()