def d ( x ) :
    def sklearn import datasets
    from sklearn . cross_validation import cross_val_predict
    from sklearn def linear_model
    lr = linear_model . LinearRegression ( )
    boston = datasets . load_boston ( )
    y = boston . target
    predicted = cross_val_predict ( lr , boston . data , y , cv = 10 )
    return predicted

def d ( x ) :
    from sklearn import datasets
    from sklearn . cross_validation import cross_val_predict
    from sklearn import linear_model
    lr = linear_model . LinearRegression ( )
    boston = datasets . load_boston ( )
    y = boston . target
    predicted = cross_val_predict ( lr , boston . data , y , cv = 10 )
    return predicted

次に示すpythonコードの誤りを修正しなさい。