@grammar(int)
    def width(value):
        if value < 0:
            raise ValueError('width cannot be negative')
:param int type: type of files to be displayed
dataset/ETHPy150Open wrobstory/vincent/vincent/visualization.py/Visualization.width--crossover with--dataset/ETHPy150Open shichao-an/115wangpan/u115/api.py/API._req_files