def radioband_cb(self, action, current):
        text = ('AM', 'FM', 'SSB')[action.get_current_value()]
        self.bandlabel.set_text(text % 'Radio band is %s')
        return
dataset/ETHPy150Open anandology/pyjamas/pygtkweb/demos/062-uimanager.py/UIManagerExample.radioband_cb/swapped operands of `%`