def endpoint(im:PIL.Image.Image=falcon, whiten:serve.slider(0,1)=0.5) -> PIL.Image.Image:
"""Whitens an image.
:param im: some image
:param whiten: how much to whiten the image. 0 for original image, 1 for complete white"""
return im | toTensor() | 255-(255-op())*(1-whiten) | op().permute(1, 2, 0) | toImg()