Debug merge.

climax/main/downscale_train.py

@@ -93,6 +93,7 @@ if __name__ == '__main__':
                 dem = dem.drop_vars(['slope', 'aspect'])
 
             # add dem to set of predictor variables
+            LOGGER.info('HI')
             Era5_ds = xr.merge([Era5_ds, dem])
 
         # initialize training data