Update app.py

app.py

@@ -10,7 +10,7 @@ from retriever import retrieve_documents
 
 # Load Mistral 7B model
 #MODEL_NAME = "mistralai/Mistral-7B-v0.1"
-MODEL_NAME = "microsoft/phi3-mini-4k-instruct"
+MODEL_NAME = "microsoft/Phi-4-mini-instruct"
 
 tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME, use_auth_token=os.getenv("HUGGING_FACE_HUB_TOKEN"), cache_dir="/tmp/huggingface")
 model = AutoModelForCausalLM.from_pretrained(MODEL_NAME,