title: Graphviz installation error
body: <p>I am installing graphviz library or package in python using the command</p>
  
  <pre><code>pip install graphviz error 
  </code></pre>
  
  <p>but I am facing the the problem that show in image. please anyone help me in fixing this issue. </p>
  
  <p><img src="https://i.stack.imgur.com/dxmYu.png" alt="Error message appear during installation">
  <img src="https://i.stack.imgur.com/l6w4j.png" alt="Error message appear during installation"></p>