title: Ipython notebook will not start on command line
body: <p>I tried to open ipython in terminal with <code>ipython notebook</code> and it will not open ipython notebook. It gives the following error: </p>
  
  <pre><code>| ~/documents/ud120-projects/datasets_questions @ HJ (JiaHui)
  | =&gt; ipython notebook
  [TerminalIPythonApp] WARNING | Subcommand `ipython notebook` is deprecated and 
  will be removed in future versions.
  [TerminalIPythonApp] WARNING | You likely want to use `jupyter notebook` in 
  the future
  [I 14:46:50.516 NotebookApp] Serving notebooks from local directory: 
  /Users/JiaHui/Documents/ud120-projects/datasets_questions
  [I 14:46:50.517 NotebookApp] 0 active kernels 
  [I 14:46:50.517 NotebookApp] The Jupyter Notebook is running at: 
  http://localhost:8888/?token=ef13f681f4d61223064e41a5a9e369813c155d27b0103471
  [I 14:46:50.517 NotebookApp] Use Control-C to stop this server and shut down 
  all kernels (twice to skip confirmation).
  [C 14:46:51.567 NotebookApp] 
  
  Copy/paste this URL into your browser when you connect for the first time,
  to login with a token:
      http://localhost:8888/?
  token=ef13f681f4d61223064e41a5a9e369813c155d27b0103471
  0:97: execution error: "http://localhost:8888/tree?
  token=145eccd35722c35c6525d8a4d376f27aa60358dc7d00de4c" doesn’t understand the 
  “open location” message. (-1708)
  </code></pre>
  
  <p>I have upgraded conda jupyter but it still won't work. How can I fix this?</p>