title: problem in printing a youtube title using python
body: <p><strong>this was my code</strong></p>
  <pre><code>from pytube import YouTube
  a=YouTube(&quot;https://www.youtube.com/watch?v=vvpb8IdDZZI&quot;)
  #to print title 
  print(&quot;\n&quot;)
  print(&quot;******************title*****************&quot;)
  print(&quot;the title is:&quot;+a.title)
  </code></pre>
  <p><strong>the error was</strong></p>
  <pre><code>raise HTTPError(req.full_url, code, msg, hdrs, fp)
  urllib.error.HTTPError: HTTP Error 404: Not Found
  </code></pre>
  <p>but the url exists!!!and i have copied this url from browser itself
  and i have also upgraded my pytube</p>