Update RAG_utils.py

RAG_utils.py

@@ -406,7 +406,7 @@ class PDFProcessor_Unstructured:
         pdf_reader = PdfReader(uploaded_file)
         
         # Extract document information
-        meta = pdf_reader.getDocumentInfo()
+        meta = pdf_reader.metadata
         
         # Retrieve title from document information
         title = meta.title if meta and meta.title else 'Title not found'