def paintEvent(self, e):  # noqa
        qp = QtGui.QPainter()
        qp.begin(self)
        self._draw(qp)
        qp.end()
Standard list extend method
dataset/ETHPy150Open tobspr/RenderPipeline/toolkit/day_time_editor/curve_widget.py/CurveWidget.paintEvent--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/geos/mutable_list.py/ListMixin.extend