title: Unsupported TIFF Compression
body: <p>I'm using <code>openslide-python</code> to open a <code>svs</code> image, and I have run into the following issue: </p>
  
  <pre><code>&gt;&gt; import openslide as osi
  &gt;&gt; a = osi.OpenSlide('image.svs')
  </code></pre>
  
  <p>yields the error</p>
  
  <pre><code>TIFFReadDirectory: Warning, Unknown field with tag 347 (0x15b) encountered.
  image.svs: JPEG compression support is not configured.
  Traceback (most recent call last):
    File "&lt;stdin&gt;", line 1, in &lt;module&gt;
    File "/home/manan/anaconda/lib/python2.7/site-packages/openslide/__init__.py", line 154, in __init__
      self._osr = lowlevel.open(filename)
    File "/home/manan/anaconda/lib/python2.7/site-packages/openslide/lowlevel.py", line 178, in _check_open
      raise OpenSlideError(err)
  openslide.lowlevel.OpenSlideError: Unsupported TIFF compression: 7
  </code></pre>
  
  <p>I haven't been able to find any solutions online for this issue; I've checked <code>libopenjpeg</code> and any additional relevant libraries to ensure they are at their latest respective versions. </p>