Update app.py

app.py

@@ -37,6 +37,7 @@ model_name = "daekeun-ml/Llama-2-ko-instruct-13B"
 #quantumaikr/llama-2-70b-fb16-korean
 tokenizer = AutoTokenizer.from_pretrained(model_name)
 
+model = None
 def init():
     if check:
         model = AutoDistributedModelForCausalLM.from_pretrained(model_name)
@@ -53,7 +54,9 @@ def check(model_name):
 
 
 def chat(id, npc, prompt):
-    
+    if model == None:
+        init()
+        return "no model"
     # get_coin endpoint
     response = requests.post("https://ldhldh-api-for-unity.hf.space/run/predict_6", json={
       "data": [