def __len__(self):
        if self.min_row == self.max_row:
            return 1 + self.max_col - self.min_col
        return 1 + self.max_row - self.min_row
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/openpyxl-2.3.0-b2/openpyxl/chart/reference.py/Reference.__len__/original