code: def _load_converted_gssha_data_from_lsm(self, gssha_var, lsm_var, load_type, time_step=None):
          
          super(ERAtoGSSHA, self).\
              _load_converted_gssha_data_from_lsm(gssha_var, lsm_var, load_type, time_step)
          self.data.lsm.lon_to_180 = True
docs: This function loads data from LSM and converts to GSSHA format