

def start(self, interval=None):
    'Begin autoincrement mode: schedules a recurring timer event\n        that calls method step every interval milliseconds.\n\n        interval defaults to 50 milliseconds (20 steps/second) if ommited.'
    self.tk.call(interval._w, 'start', interval)

dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py Progressbar.start/VarMisuse@22/87 `self`->`interval`