dendro: adjustment in writing process

level1/do_dendro_calculation.py

@@ -175,9 +175,7 @@ def main(station, device, start_date, end_date, debug):
         # corrections in index Order and not setted flags
         final = final.sort_index()
         for a, b, c in grouper(3, final):
-            final[a] = final[a].replace(np.nan, -9999)
-            final[b] = final[b].replace(np.nan, -9999)
-            final[c] = final[c].replace(np.nan, 92)
+            final = final.fillna({a: NODATA, b: NODATA, c: 92})
 
         writeData(final, device)