Fixed typo: HistoricalAverage --> HistoricAverage

app.py

@@ -5,7 +5,7 @@ import gradio as gr
 
 from statsforecast import StatsForecast
 from statsforecast.models import (
-    HistoricalAverage,
+    HistoricAverage,
     Naive,
     SeasonalNaive,
     WindowAverage,
@@ -70,7 +70,7 @@ def run_forecast(
     models = []
     
     if use_historical_avg:
-        models.append(HistoricalAverage(alias='historical_average'))
+        models.append(HistoricAverage(alias='historical_average'))
     if use_naive:
         models.append(Naive(alias='naive'))
     if use_seasonal_naive: