Update app.py

app.py

@@ -203,7 +203,7 @@ def clear_all(history, uploaded_file_paths, chats):
     pdf_reader = PdfReader(memoryFile)
     # Gib das PDF-Objekt an PdfFileWriter weiter
     for page in range(len(pdf_reader.pages)):
-        pdf_writer.add_Page(pdf_reader.pages[page])
+        pdf_writer.add_page(pdf_reader.pages[page])
     # Speichere das PDF-Objekt in einer neuen Datei
     with open(file_path_download, "wb") as fp:
         pdf_writer.write(fp)