def setDirection(self, direction):
        dirs = (
            self.LeftToRight, self.RightToLeft,
            self.TopToBottom, self.BottomToTop,
        )
        if direction not in dirs:
            raise ValueError('Invalid direction: %s' % direction)
        self._direction = direction
The textual label for the row
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/q_pixmap_transition.py/QDirectedTransition.setDirection--crossover with--dataset/ETHPy150Open glue-viz/glue/glue/utils/qt/python_list_model.py/PythonListModel.row_label