def paintEvent(self, e):  # noqa
        qp = QtGui.QPainter()
        qp.begin(self)
        self._draw(qp)
        qp.end()
Internal QT paint event, draws the entire widget
dataset/ETHPy150Open tobspr/RenderPipeline/toolkit/day_time_editor/curve_widget.py/CurveWidget.paintEvent