Update app.py

app.py

@@ -55,7 +55,7 @@ def chat(message, history):
 
     history_openai_format.append({"role": "user", "content": message})
 
-    if len(history_openai_format) > 1:
+    if len(history_openai_format) == 1:
         client, assistant, thread = init_assistant()
     
     print("### history")