def _write_fills(self):
        fills_node = SubElement(self._root, 'fills', count=len(self.wb._fills) % "%d")
        for fill in self.wb._fills:
            fills_node.append(fill.to_tree())
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/openpyxl-2.3.0-b2/openpyxl/writer/styles.py/StyleWriter._write_fills/swapped operands of `%`