title: ImportError: cannot import name 'structural_similarity' error
body: <p>In my image comparision code following: <a href="https://www.pyimagesearch.com/2014/09/15/python-compare-two-images/" rel="noreferrer">https://www.pyimagesearch.com/2014/09/15/python-compare-two-images/</a></p>
  
  <p>While using
  <code>from skimage.measure import structural_similarity as ssim</code></p>
  
  <p>and then 
  <code>s = ssim(imageA, imageB)</code></p>
  
  <p>I am getting error: </p>
  
  <blockquote>
  <pre><code>from skimage.measure import structural_similarity as ssim
  </code></pre>
    
    <p>ImportError: cannot import name 'structural_similarity'</p>
  </blockquote>