Noticed that the plugin wasn't working for me after upgrading to Python 3.12, and trying to change the settings kept giving me a popup saying I had to restart calibre before customising. Turns out this is because of
the removal of the SafeConfigParser alias, which has been deprecated since 3.2. Replacing all instances of
with just
in the .py files in the plugin .zip file seems to be enough to get it running again