Update app.py

app.py

@@ -55,7 +55,8 @@ def chat(message, history):
 
     #history_openai_format.append({"role": "user", "content": message})
 
-    if len(history_openai_format) == 1:
+    #if len(history_openai_format) == 1:
+    if _client == None:
         init_assistant()
     
     #show_json("assistant", _assistant)