title: Trouble using python PIL library to crop and save image
body: <p>Im attempting to crop a pretty high res image and save the result to make sure its completed.  However I keep getting the following error regardless of how I use the save method: <code>SystemError: tile cannot extend outside image</code></p>
  
  <pre><code>from PIL import Image
  
  # size is width/height
  img = Image.open('0_388_image1.jpeg')
  box = (2407, 804, 71, 796)
  area = img.crop(box)
  
  area.save('cropped_0_388_image1', 'jpeg')
  output.close()
  </code></pre>