changed model to use

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 from transformers import pipeline
 
-generator = pipeline("text-generation", model="meta-llama/Llama-2-70b-chat-hf")
+generator = pipeline("text-generation", model="upstage/Llama-2-70b-instruct-v2")
 
 def generate(text):
     result = generator(text, max_length=300, num_return_sequences=1)