Missing libraries in py/ML/15_gridsearch/15_grid_search.ipynb

[pafuenzalidaw]

Hi, first of all, thanks for this page it helped me a lot, but I noticed you forgot to import numpy and cossval_score after the title Aproach 2.

I used it like this:

import numpy as np from sklearn.model_selection import cross_val_score

That's all