Chapter 13 color_dim shows gray scale images

[Roya (Roy)]

The original Chapter 13 shows colorful images when using the color_dim, but if you rerun the complete notebook (chapter 13 ) it produces grayscale images as follows:

Any idea why it is not colorful?

[yrodriguezmd (Maria Rodriguez)]

@Roya I found the answer here:

`color_dim` producing grayscale outputs

I was trying to visualize the activations of my training using the color_dim method in the activation_stats callback and noticed that they’re outputting black and white representations rather than the prior color ones? Is this a bug or am I doing something wrong? [image]