Update app.py

app.py

@@ -13,11 +13,11 @@ from bloatectomy import bloatectomy
 from werkzeug.utils import secure_filename
 from langchain_groq import ChatGroq
 from typing_extensions import TypedDict, NotRequired
-
+from werkzeug.utils import secure_filename
 # --- Logging ---
 logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
 logger = logging.getLogger("patient-assistant")
-
+ALLOWED_EXTENSIONS = {"pdf"}
 # --- Load environment ---
 load_dotenv()
 GROQ_API_KEY = os.getenv("GROQ_API_KEY")