Closes gh-3620
@ -1657,7 +1657,7 @@ class NotebookApp(JupyterApp):
'\n',
'Copy/paste this URL into your browser when you connect for the first time,',
'to login with a token:',
' %s' % url_concat(self.display_url, {'token': self.token}),
' %s' % self.display_url,
]))
self.io_loop = ioloop.IOLoop.current()