code: def get_window_forecasts(self):
          
          for model_name in self.model_names:
              self.window_forecasts[model_name] = {}
              for size_threshold in self.size_thresholds:
                  self.window_forecasts[model_name][size_threshold] = \
                      np.array([self.raw_forecasts[model_name][size_threshold][sl].sum(axis=0)
                                for sl in self.hour_windows])
docs: Aggregate the forecasts within the specified time windows.