minor...

modules/icing/pirep_goes.py

@@ -552,6 +552,8 @@ def run_daynight(filename, filename_l1b, day_night='ANY'):
         elif day_night == 'DAY':
             if is_day(solzen[i,]):
                 idxs.append(i)
+        else:
+            idxs.append(i)
 
     keep_idxs = np.array(idxs)