Agent tutorial problem with the Diffuser

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Hi,

I am reproducing the introduction about agents and I have the following issue when I try to load the diffuser/controlnet-canny-tool. There is an import from the transformer.utils which causes an ImportError.

from transformers.utils import (
    is_accelerate_available,                                                             
    is_diffusers_available,                                                            
    is_vision_available,    
    ...

The is_diffusers_available is now missing.

I am using the versions recommended in the colab notebook from the HF official doc.
transformers==v4.29.0
diffusers==0.16.1

Could someone know if the utils have been modified and the is_diffusers_available relocated somewhere else?

Thanks

J.