title: PyQt4 installed but "ImportError: No module named 'PyQt4"' in ubuntu 16.04
body: <p>I have installed PyQt4 using apt as follows:</p>
  
  <pre><code>sudo apt install python3-pyqt4
  </code></pre>
  
  <p>But I still get an error as:</p>
  
  <pre><code>ImportError: No module named 'PyQt4' 
  </code></pre>
  
  <p>when I do </p>
  
  <pre><code>import PyQt4
  </code></pre>
  
  <p>System specs: </p>
  
  <pre><code>Python 3.5.2
  ubuntu 16.04 LTS
  </code></pre>
  
  <p>Checked other threads of <a href="https://stackoverflow.com/">https://stackoverflow.com/</a> where people have faced similar problems but solutions provided seem specific to Mac and Win installations. If somebody can kindly help.</p>