Better readablity of logs

        image_list = traverse_all_files(dir_name, image_list)

        image_list = sorted(image_list, key=lambda file: -os.path.getctime(os.path.join(dir_name, file)))

    else:

        print(f"ERROR: {dir_name} is not a directory. Check the path in the settings.", file=sys.stderr)

        print(f'ERROR: "{dir_name}" is not a directory. Check the path in the settings.', file=sys.stderr)

    num = 48 if tabname != "extras" else 12

    max_page_index = len(image_list) // num + 1

    page_index = max_page_index if page_index == -1 else page_index + step

    def open_folder(f):

        if not os.path.exists(f):

            print(f"{f} doesn't exist. After you create an image, the folder will be created.")

            print(f'Folder "{f}" does not exist. After you create an image, the folder will be created.')

            return

        elif not os.path.isdir(f):

            print(f"""