title: Why is nltk.download unable to download wordnet or any other data?
body: <p>I am trying to experiment with wordnet under nltk.
  None of the following commands are working in python, neither on Windows, nor on ubuntu. </p>
  
  <pre><code>1. nltk.download('wordnet')
  2. nltk.downlaod()
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/sp0rR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sp0rR.png" alt="Error on ubuntu"></a></p>
  
  <p><a href="https://i.stack.imgur.com/VAEkS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VAEkS.png" alt="Error on Windows"></a></p>
  
  <p><a href="https://i.stack.imgur.com/8rhXU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8rhXU.png" alt="Source code of buggy file"></a></p>