NSApp.beginSheet_modalForWindow_modalDelegate_didEndSelector_contextInfo_(self.loadingSheet, self.window, None, None, None)
arg = (func(), finish)
self.performSelectorInBackground_withObject_(self.runGeneratorThread, arg)
NSApp.beginSheet_modalForWindow_modalDelegate_didEndSelector_contextInfo_(self.loadingSheet, self.window, None, None, None)
arg = (func(), finish)
self.performSelectorInBackground_withObject_(self.runGeneratorThread, arg)