Sure it is lower case.
I also suspect this might be a localization issue. Because in Turkish
the lower case of I is ı and the lower case of İ is i.
Also it works fine when I start the program using the command line like
this.
$ LC_ALL=C mypaint
I haven't tried with a tablet yet. But it seems re
Could it be a Turkish language internationalization issue? The case
mapping is different, and maybe the setting is a Unicode string after
it's loaded. http://www.i18nguy.com/unicode/turkish-i18n.html
But if that were the case, I'd be expecting the error message to be
saying
AttributeError: 'mod
Huh? According to that error message, modesetting.upper() returned
'MODE_DiSABLED'. with lowercase 'i'. No idea how this is possible.
Anyway, try to remove the file "settings.json" in the folder
~/.mypaint/. Also, MyPaint is no fun with pressure disabled. Try
enabling it again in the preferences ;