Update app.py

app.py

@@ -18,11 +18,11 @@ login(token=os.environ.get('HF_TOKEN'))
 def create_qa_system():
     try:
         # File check
-        if not os.path.exists("data.pdf"):
+        if not os.path.exists("file.pdf"):
             raise FileNotFoundError("PDF missing")
         
         # Load and validate PDF
-        loader = PyMuPDFLoader("data.pdf")
+        loader = PyMuPDFLoader("file.pdf")
         documents = loader.load()
         if len(documents) == 0:
             raise ValueError("PDF content empty")