

def start(self):
    self.instructions()
    p_canvas = self.fitsimage.get_canvas()
    try:
        obj = p_canvas.getObjectByTag(self.layertag)
    except KeyError:
        p_canvas.add(self.canvas, tag=self.layertag)
    self.resume()

dataset/ETHPy150Open ejeschke/ginga/ginga/misc/plugins/Mosaic.py Mosaic.start/original