stupid question: Why is imshow in io module?

[Michael Aye]

I just stumbled over the 3 lines of code on scikits' title page:


from skimage import data, io, filter
image = data.coins() # or any NumPy array!
edges = filter.sobel(image)
io.imshow(edges)

and wondered: Isn't it a bit funny to require an I/O module to show an 
image that is already loaded?

My apologies if that has been discussed before.

Michael

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