Code review comment for lp:~suutari-olli/openlp/change-blank-to-desktop-hotkey-to-esc

See the comment for the right place.

"This used to be in self.main_window.warning_message, where it was causing traceback.

Does it still work?
I'm not exactly sure of what it's supposed to do to be honest.

Is there a reason why this could not be an a separate line?"