A data scientist wants to efficiently tune the hyperparameters of a scikit-learn model. They elect to use the Hyperopt library'sfminoperation to facilitate this process. Unfortunately, the final model is not very accurate. The data scientist suspects that there is an issue with theobjective_functionbeing passed as an argument tofmin.
They use the following code block to create theobjective_function:
Which of the following changes does the data scientist need to make to theirobjective_functionin order to produce a more accurate model?
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