title: ImportError libSDL2-2.0.so.0 in wxPython wx.adv
body: <p>I am running Ubuntu 18.04.3 LTS, Python 3.6.9, wx.version: 4.0.7.post2 gtk3 (phoenix) wxWidgets 3.0.5</p>
  
  <p>When I import wx.adv, I get the error</p>
  
  <p>ImportError: libSDL2-2.0.so.0: cannot open shared object file: No such file or directory</p>
  
  <p>If I run:</p>
  
  <pre><code>sudo apt-file search  libSDL_image-1.2.so.0
  </code></pre>
  
  <p>I get:</p>
  
  <pre><code>libsdl-image1.2: /usr/lib/x86_64-linux-gnu/libSDL_image-1.2.so.0
  libsdl-image1.2: /usr/lib/x86_64-linux-gnu/libSDL_image-1.2.so.0.8.4
  </code></pre>
  
  <p>What is wrong?</p>