Update app.py

app.py

@@ -5,7 +5,7 @@ import plotly.express as px
 from sklearn.model_selection import train_test_split, GridSearchCV, cross_val_score
 from sklearn.linear_model import LinearRegression, LogisticRegression
 from sklearn.tree import DecisionTreeRegressor, DecisionTreeClassifier
-from sklearn.ensemble import RandomForestRegressor, GradientBoostingRegressor, RandomForestClassifier
+from sklearn.ensemble import RandomForestRegressor, GradientBoostingRegressor, RandomForestClassifier, GradientBoostingClassifier
 from sklearn.svm import SVR, SVC
 from sklearn.decomposition import PCA #Import at top
 from sklearn.metrics import silhouette_score #Import at top