(self)
Call from derived class when the widget is deleted
         (in onDeleteWidget).
Call from derived class when the widget is deleted
         (in onDeleteWidget).
Call from derived class when the widget is deleted ( in onDeleteWidget ) .
def shutdown(self):
        """ Call from derived class when the widget is deleted
         (in onDeleteWidget).
        """
        self.__cancel_task(wait=True)
        self.__executor.shutdown(True)
def shutdown ( self ) : self . __cancel_task ( wait = True ) self . __executor . shutdown ( True )