Merge branch 'dendro' into 'meteo'

Dendro

See merge request !35

level1/do_dendro_calculation.py

@@ -104,7 +104,7 @@ def dendroProcess(data, manflags):
         concat_df = pd.concat([values, dropped_manflags], axis=1)
         concat_df = concat_df.loc[start_date:end_date]
 
-        first_value = values.iloc[0] 
+        first_value = values.iloc[0]
         start_idx = concat_df['d_ini'].dropna().index
         stop_idx = start_idx[1:].tolist() + [pd.Timestamp.today()]
         # some old data doesn't have useable manflags, this should be filtered here
@@ -118,6 +118,10 @@ def dendroProcess(data, manflags):
                 continue
             calc = dendroCalculation(chunk, key, first_value)
             temporary.append(calc)
+        # some old data has values, but manflags starts, when tree is fallen, all chunks are empty and the temporary
+        # list is also empty
+        if not temporary:
+            continue
 
         name = f"{int(key.split('_')[1])}"