start adding attributs to hdf5-file

trial_json.py

@@ -114,8 +114,6 @@ for p in range(0,len(data_pumps)):
 filename = "example_kpi.h5"
 with pd.HDFStore(filename, "a") as hdf:
     try:
-        #grp = hdf.create_group("Berechnung")
-        #grp.create_dataset("Efficiency", data = dataset)
         dataset.to_hdf(hdf,"Berechnung")
     except ValueError:
         print("Gruppe existiert bereits.")
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