(self, notify=False)
updates viewport
            notify: emit viewChanged() signal
updates viewport
            notify: emit viewChanged() signal
updates viewport notify : emit viewChanged () signal
def _force_repaint(self, notify=False):
        """ updates viewport
            notify: emit viewChanged() signal
        """
        self.viewport().update()
        if notify:
            self.viewChanged.emit()
def _force_repaint ( self , notify = False ) : self . viewport ( ) . update ( ) if notify : self . viewChanged . emit ( )