Update app.py

app.py

@@ -1,6 +1,8 @@
 from sklearn.model_selection import GridSearchCV
 from sklearn.metrics import confusion_matrix, classification_report
 import multiprocessing
+from sklearn.linear_model import Ridge, Lasso, LogisticRegression
+
 from sklearn.metrics import mean_squared_error
 import numpy as np
 from sklearn.linear_model import ElasticNet