def __init__(self, nrows, row_height=None, col_width=None):

        self.nrows = nrows
        self.col_width = col_width
        self.row_height = row_height

        BaseTemplate.__init__(self)
Multiple column layout with nrows and required number of
dataset/ETHPy150Open btel/svg_utils/src/svgutils/templates.py/ColumnLayout.__init__