Update app.py

app.py

@@ -9,7 +9,7 @@ import pandas as pd
 import os
 from huggingface_hub import login
 
-HF_TOKEN = os.getenv("nex_model")  # Updated key name for clarity
+HF_TOKEN = os.getenv("NEX_MODEL")  # Updated key name for clarity
 
 if not HF_TOKEN:
     raise ValueError("Hugging Face token not found. Please set the 'NEX_MODEL' environment variable.")