def __init__(self, image=None, wcs=None, parent=None, **kwargs):
        super(StandaloneImageWidget, self).__init__(parent)
        self.central_widget = MplWidget()
        self.setCentralWidget(self.central_widget)
        self._setup_axes()

        self._im = None
        self._norm = DS9Normalize()

        self.make_toolbar()

        if image is not None:
            self.set_image(image=image, wcs=wcs, **kwargs)
:param image: Image to display (2D numpy array)
dataset/ETHPy150Open glue-viz/glue/glue/viewers/image/qt/viewer_widget.py/StandaloneImageWidget.__init__