Update app.py

app.py

@@ -11,7 +11,7 @@ gptq_config = GPTQConfig(
     bits=4, 
     exllama_config={"version": 2}
 )
-tokenizer = AutoTokenizer.from_pretrained("./")
+tokenizer = YiTokenizer.from_pretrained("./")
 model = AutoModelForCausalLM.from_pretrained(
     model_id, 
     device_map="auto",