type error when i using surprise

[gopal-gcek]

param_grid = {'n_epochs': [5, 10], 'lr_all': [0.002, 0.005],
'reg_all': [0.4, 0.6]}

Cross-validation using grid search

grid_search = GridSearchCV(SVD, param_grid, measures=['rmse', 'mae'], cv=3, n_jobs=1)

Find the best parameters on the data set

data = Dataset.load_builtin('ml-100k')

TypeError Traceback (most recent call last)
in ()
6 'reg_all': [0.4, 0.6]}
7 # Cross-validation using grid search
----> 8 grid_search = GridSearchCV(SVD, param_grid, measures=['rmse', 'mae'], cv=3, n_jobs=1)
9 # Find the best parameters on the data set
10 data = Dataset.load_builtin('ml-100k')

TypeError: init() got an unexpected keyword argument 'measures'