Undo a Mac theme stuck in dark mode due to https://github.com/samturner/lights-out

revert-lights-out.py

from Foundation import CFPreferencesSetValue
from Foundation import CFNotificationCenterPostNotification
from Foundation import CFNotificationCenterGetDistributedCenter
from Foundation import kCFPreferencesAnyApplication
from Foundation import kCFPreferencesCurrentUser
from Foundation import kCFPreferencesCurrentHost

# Remove offending preference
CFPreferencesSetValue('AppleInterfaceStyle', None, kCFPreferencesAnyApplication,
                      kCFPreferencesCurrentUser, kCFPreferencesCurrentHost)

# Trigger UI to be updated
CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
                                     'AppleInterfaceThemeChangedNotification',
                                     None, None, True);