title: Install wxPython in osx 10.11
body: <p>When I try to install wxPython, it shows an error: </p>
  
  <blockquote>
  <pre><code>&gt; The Installer could not install the software because there was no
  &gt; software found to install.
  </code></pre>
  </blockquote>
  
  <p>How can I fix it?</p>