Update app.py

app.py

@@ -23,7 +23,7 @@ def forecast():
         name = 'miami_data_air_quality_fv',
         version = 1
     )
-    train_data = feature_view.get_training_data(1)[0]
+    train_data = feature_view.get_training_data(1)[0:7]
     train_data = train_data.drop(labels = 'city_y',axis =1)
     train_data = train_data.rename(columns = {'city_x':'city'})
     train_data = train_data.sort_values(by="date", ascending=True).reset_index(drop=True)