[C1_W2_Assignment] Error trying to initialize generator, discriminator, optimizers

Course Q&A Generative Adversarial Networks (GANS) Build Basic Generative Adversarial Networks
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Hello DeepLearners and staff,

I’m trying to pass the assignment for the second week of the course and despite I pass all the unit test related to class Generator and class Discriminator, I get an error when I try to initialize the generator executing the next section of the code:

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image1101×326 12 KB

And the error is below:

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image484×710 28.1 KB

Anyone can give me a clue about what is happening here?

Thanks in advance!!

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I found it!!
So, if its useful to somebody, there is the explanation:

I set up to false the affine param so the code fail getting the weight of the BatchNorm in weights_init function, which were unexistent. Setting to True the affine param solved the problem.