Update app.py

app.py

@@ -202,8 +202,8 @@ def clear_all(history, uploaded_file_paths, chats):
     pdf_writer = PdfWriter()
     pdf_reader = PdfReader(memoryFile)
     # Gib das PDF-Objekt an PdfFileWriter weiter
-    for page in range(pdf_reader.getNumPages()):
-        pdf_writer.addPage(pdf_reader.getPage(page))
+    for page in range(len(pdf_reader.pages)):
+        pdf_writer.addPage(pdf_reader.pages[page])
     # Speichere das PDF-Objekt in einer neuen Datei
     with open(file_path_download, "wb") as fp:
         pdf_writer.write(fp)