Update app.py

app.py

@@ -128,10 +128,8 @@ def chat(message, history):
     
     if assistant == None:
         assistant = load_assistant(client)
-
-    print(history)
     
-    if len(history) == 0:
+    if thread == None or len(history) == 0:
         thread = create_thread(client)
         
     create_message(client, thread, message)