Update app.py

app.py

@@ -74,6 +74,7 @@ df_train = pd.read_csv('df_train.csv')
 X = df_train.drop('audience', axis=1)
 y = df_train['audience']
 
+import sklearn
 from sklearn.linear_model import LinearRegression
 from sklearn.metrics import log_loss
 from sklearn.preprocessing import StandardScaler