Gemma colab issue

[alexunderch]

# @title Test the sampler

# Will take some time on first invocation. If it takes over a minute on a TPU
# runtime, something is probably wrong.
output = sampler.chat("Is a tomato a vegetable or a fruit?")

Gemma notebook doesn't work because of the known issue:

google-deepmind/gemma#564

[alexunderch]

Until it's fixed, the issue can be circumvented by downgrading the library causing the issue:

%pip install typeguard==4.4.1