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if __name__ == '__main__':      from pgm import render    from pgm.layout import window, fixed    from pgm.form import rectangle, image    import sys    try:        from twisted.internet import glib2reactor        glib2reactor.install()    except AssertionError:        # already installed...        pass        from twisted.internet import reactor, task    from twisted.spread import pb        def refresh():        win.dispatch_events()        def exit_event_cb(event):            win.quit_loop()        reactor.stop()                        render.init('opengl1')    title = 'widget_level test'    win = window.Window(title=title)        f = fixed.Fixed()    wi = fixed.Fixed()    mw = rectangle.Rectangle((180,180))    wi.put(mw,(0,0))    img = image.Image('/home/loicm/elisa/gfx/icons/png/Pictures-1.png')    mw.set_media(img)        f.put(wi, (0,0) )    win.add(f)    win.start_loop()                _LoopingCall = task.LoopingCall( refresh )    _LoopingCall.start( 1.0/60.0 )    win.sig_exit_event.connect(exit_event_cb)    reactor.run()