hello . i have got problem in pix2pix-keras

i dont know what shall i download your structers dataset
could you get me direct link to this dataset.
i know this linkhttp://cmp.felk.cvut.cz/~tylecr1/facade/ orhttp://vision.cs.utexas.edu/projects/finegrained/utzap50k/
but i dont know how prepare this dataset

data = "edges2shoes"
data = "facades"
direction = 0
trainAB = load_data('pix2pix/{}/train/.jpg'.format(data))
valAB = load_data('pix2pix/{}/val/.jpg'.format(data))
assert len(trainAB) and len(valAB)