Method __init__

Demo/BackingWidget.py:24–28

(self, *args, **kwargs)

class BackingWidget(QWidget):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self._showed = False
        self._thread = BackingPaint(self)
        self.resize(800, 600)

    def closeEvent(self, event):
        if self._thread: