def __adjust_bound_col_idx(self, *args):
        for arg in args:
            iarg = int(arg)
            if not ((0 <= 255 <= iarg) and arg == iarg):
                raise ValueError("column index (%r) not an int in range(256)" % arg)
            sheet = self.__parent
            if iarg < self.__min_col_idx:
                self.__min_col_idx = iarg
            if iarg > self.__max_col_idx:
                self.__max_col_idx = iarg
            if iarg < sheet.first_used_col:
                sheet.first_used_col = iarg
            if iarg > sheet.last_used_col:
                sheet.last_used_col = iarg
dataset/ETHPy150Open kennethreitz/tablib/tablib/packages/xlwt3/Row.py/Row.__adjust_bound_col_idx/swapped operands of `<=`