title: Using nbgrader: formgrader page not found
body: <p>I have installed jupyter nbgrader by following steps from this link: </p>
  
  <p><a href="http://nbgrader.readthedocs.io/en/stable/user_guide/installation.html" rel="nofollow noreferrer">http://nbgrader.readthedocs.io/en/stable/user_guide/installation.html</a></p>
  
  <p>After installation when I try to click on formgrader I get </p>
  
  <p>error: 404 : Not Found You are requesting a page that does not exist!
  Can anyone help me, how can i access this page?</p>