title: Scipy imsave and imread change format
body: <p>When I save the image, the format it has is <code>numpy.uint16</code>, when I load it, it is <code>numpy.uint8</code>, and it messes up the whole pipeline for me. How do I prevent this from happening?</p>
  
  <p>I am calling</p>
  
  <pre><code>from scipy.misc import imread, imsave
  image = imread(path)
  imread(image_path)
  </code></pre>