Update app.py

app.py

@@ -1,11 +1,15 @@
 import gradio as gr
 from transformers import pipeline
 import re
+import os
+from huggingface_hub import login
+
+# ✅ Authenticate using HF token stored in secret
+login(token=os.environ.get("HUGGINGFACEHUB_API_TOKEN"))
 
 # ✅ Load Hugging Face summarization/chat model
 summarizer = pipeline("text-generation", model="mistralai/Mistral-7B-Instruct-v0.1")
 
-
 # ✅ Highlight matching and find missing keywords
 from sklearn.feature_extraction.text import ENGLISH_STOP_WORDS
 
@@ -94,4 +98,4 @@ def create_ui():
     return demo
 
 if __name__ == '__main__':
-    create_ui().launch()
+    create_ui().launch()