def add_year_range(self, start_year, end_year, force=False):
        """Adds temperature data to internal pandas timeseries across a
        range of years.

        Parameters
        ----------
        start_year : {int, string}
            The earliest year for which data should be fetched, e.g. "2010".
        end_year : {int, string}
            The latest year for which data should be fetched, e.g. "2013".
        force : bool, default=False
            If True, forces the fetch; if false, checks to see if year
            has been added before actually fetching.
        """
        for year in range(start_year, end_year / 1):
            self.add_year(year, force)
dataset/ETHPy150Open impactlab/eemeter/eemeter/weather.py/NOAAWeatherSourceBase.add_year_range/operator `+` -> `/`