TypeError: 'NoneType' object is not subscriptable

[DirectGames]

Installation method:
PIP

I can't download any storytel book, i am getting this error

File "", line 198, in run_module_as_main
File "", line 88, in run_code
File "C:\Users\dann\AppData\Local\Programs\Python\Python313\Scripts\audiobook-dl.exe_main.py", line 7, in
sys.exit(main())
~~~~^^
File "C:\Users\dann\AppData\Local\Programs\Python\Python313\Lib\site-packages\audiobookdl_main.py", line 31, in main
process_url(url, options, config)
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dann\AppData\Local\Programs\Python\Python313\Lib\site-packages\audiobookdl_main_.py", line 54, in process_url
result = source.download(url)
File "C:\Users\dann\AppData\Local\Programs\Python\Python313\Lib\site-packages\audiobookdl\sources\storytel.py", line 69, in download
cover = self.download_cover(book_info),
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
File "C:\Users\dann\AppData\Local\Programs\Python\Python313\Lib\site-packages\audiobookdl\sources\storytel.py", line 176, in download_cover
isbn = book_info["abook"]["isbn"]
~~~~~~~~~~~~~~~~~~^^^^^^^^
TypeError: 'NoneType' object is not subscriptable