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[gent.spah]

I am not sure either but you should check these 2 posts:

CC3_W1_Assignment birds.h5 issue

For anyone who runs into this problem: Since staff is on break until January 2nd, and this also might take a little while to fix, I think this hacky work-around should be enough to make the autograder happy: First, in order to use the GPU in Colab, do NOT run this cell near the beginning of the assignment: # Install packages for compatibility with the autograder !pip install tensorflow==2.8.0 !pip install keras==2.8.0 At the beginning of section 5.2 Save your model for grading, add these c…

TF-AT: Using the Fallback Runtime to Avoid Slow Training in Colab

Google Colab updates its runtime periodically to use newer versions of packages like Tensorflow. This can sometimes affect the use of GPUs for notebooks that require older versions. You will notice that when you reach the training part of the exercise. The lack of GPU will result in waiting several minutes per epoch. To get around it, please use the fallback runtime before running any of the code in your notebook. Here are the steps: Make sure that you are already connected to a GPU. You can c…