change 'radians' to 'rad'

modules/util/util.py

@@ -700,7 +700,7 @@ def write_icing_file(clvrx_str_time, output_dir, preds_dct, probs_dct, x, y, lon
     proj_ds.attrs.create('long_name', data='Himawari Imagery Projection')
     proj_ds.attrs.create('grid_mapping_name', data='geostationary')
     proj_ds.attrs.create('sweep_angle_axis', data='y')
-    proj_ds.attrs.create('units', data='radians')
+    proj_ds.attrs.create('units', data='rad')
     proj_ds.attrs.create('semi_major_axis', data=6378.137)
     proj_ds.attrs.create('semi_minor_axis', data=6356.7523)
     proj_ds.attrs.create('inverse_flattening', data=298.257)