def _write_wavelength_index_range(self, group):
        group.attrs['n_wav'] = self.iwav_min + 1 - self.iwav_max
        group.attrs['inu_min'] = self.iwav_min
        group.attrs['inu_max'] = self.iwav_max
dataset/ETHPy150Open hyperion-rt/hyperion/hyperion/conf/conf_files.py/ImageConf._write_wavelength_index_range/swapped operands of `-`