Ray Tune Exercise 3 colab errror 'ray.tune.utils'

[cruyffturn]

When I'm running the exercise 3 after uncommenting the installation cell, I receive the following error:

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ModuleNotFoundError Traceback (most recent call last)

in ()
18 from ray.tune import track
19 from ray.tune.schedulers import PopulationBasedTraining
---> 20 from ray.tune.utils import validate_save_restore
21
22 get_ipython().magic('matplotlib inline')

ModuleNotFoundError: No module named 'ray.tune.utils'

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