Traceback (most recent call last):


 "site-packages\calibre\customize\ui.py", line 429, in get_file_type_metadata


 "site-packages\calibre\customize\builtins.py", line 285, in get_metadata


 "site-packages\calibre\ebooks\metadata\mobi.py", line 495, in get_metadata


 "site-packages\calibre\ebooks\mobi\reader\headers.py", line 285, in __init__


 "site-packages\calibre\ebooks\mobi\reader\headers.py", line 313, in identity
MobiError: Unknown book type: ¢ÄÞŒ

Traceback (most recent call last):


 "hitomi_downloader_GUI.py", line 2213, in clip_timer_event


 "hitomi_downloader_GUI.py", line 775, in downButton
AttributeError: 'NoneType' object has no attribute 'strip'