ModuleNotFoundError: No module named 'fastai.callback.all'; 'fastai.callback' is not a package

[andyjakubowski]

I had the same issue, and following these exact steps solved my problem:

ModuleNotFoundError: No module named 'fastai.vision.all' on Kaggle Notebook

Hello @NoBlueWithoutYellow I also see this issue intermittently. (It tends to be when I have left the colab notebook for a while and come back to it, Not sure though. I guess its some sort of session related issue with colab.) I’ve found deleting my copy of the colab notebook and then starting over fixes the issue. (Make sure you have a copy of any new code in a safe place. etc) So I go to my google drive, and delete the “Copy of …” version of the notebook there. Open a new copy from fastai…