Update app.py

app.py

@@ -18,7 +18,7 @@ def load_timeseries_data_for_month(month):
     file_name = f"enel_timeseries_data_{start_date}_{end_date}.csv"
     if not os.path.exists(file_name):
         return None, file_name
-    return pd.read_csv(file_name, index_col=0, header=[0, 1, 2], parse_dates=True), file_name
+    return pd.read_csv(file_name, index_col=0, header=[0, 2], parse_dates=True), file_name
 
 def load_other_features_data_for_month(month):
     start_date = pd.to_datetime(month).strftime('%Y-%m-01')