def take(n, iterable):
    return itertools.islice(iterable, n)
This method is called by the terminal if L{listenProgress}
dataset/ETHPy150Open bokeh/bokeh/bokeh/charts/utils.py/take--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/stream_variable.py/IStreamVariable.onProgress