Update app.py

app.py

@@ -1,8 +1,8 @@
 import gradio as gr
 from transformers import BartTokenizer, BartForConditionalGeneration
+from huggingface_hub import hf_hub_download
+
 hf_token = os.getenv("HF_TOKEN")
-        if hf_token is None:
-            raise ValueError("HF_TOKEN environment variable is not set.")
 
 # Load model and tokenizer from Hugging Face hub using the provided model name
 model_name = "iimran/SAM-TheSummariserV2"