title: Can not install VTK with Anaconda
body: <p>I can not install VTK by anaconda in Mac OS X. I use</p>
  
  <pre><code>conda install -c anaconda vtk=6.3.0
  </code></pre>
  
  <p>Python 2.7 but get the following error:</p>
  
  <blockquote>
    <p>UnsatisfiableError: The following specifications were found to be in conflict: - python 3.6* - vtk 6.3.0* -> python 2.7* -> openssl 1.0.1* Use "conda info " to see the dependencies for each package.</p>
  </blockquote>
  
  <p>But I've updated Python to 3.6, and the same error. </p>