Update app.py

app.py

@@ -1,10 +1,16 @@
 import gradio as gr
 from transformers import AutoModelForCausalLM, AutoTokenizer
+from huggingface_hub import login
+import os
+
+# Authenticate with Hugging Face
+HF_API_TOKEN = os.getenv("ttt") 
+login(HF_API_TOKEN)
 
 # Load your model
 model_name = "Ouiam123/Llama-2-7b-chat-finetune-tourism"
-tokenizer = AutoTokenizer.from_pretrained(model_name)
-model = AutoModelForCausalLM.from_pretrained(model_name)
+tokenizer = AutoTokenizer.from_pretrained(model_name, use_auth_token=HF_API_TOKEN)
+model = AutoModelForCausalLM.from_pretrained(model_name, use_auth_token=HF_API_TOKEN)
 
 # Define the response generation function
 def generate_response(prompt):