title: float() argument must be a string or a number, not 'zip'
body: <p>There is no problem when I run in python 2.7 but I am getting error when I run in python 3.</p>
  
  <p>Is there something that I need to change in this code.</p>
  
  <pre><code>import matplotlib as mpl
  poly = mpl.path.Path(zip(listx,listy))
  </code></pre>
  
  <p>error that I am getting is </p>
  
  <pre><code>TypeError: float() argument must be a string or a number, not 'zip'
  </code></pre>