title: django i18n: Make sure you have GNU gettext tools
body: <p>I try <code>django-admin.py makemessages -l zh_CN</code> but has error :</p>
  
  <pre><code>CommandError: Can't find msguniq. Make sure you have GNU gettext tools 0.15 or newer installed.
  </code></pre>
  
  <p>after I use brew install gettext,it still get wrong.<br>
  Do I need to do something? here is my terminal screenshot<br>
  Please guide me thank you.</p>
  
  <p><img src="https://i.stack.imgur.com/yDByh.png" alt="enter image description here"></p>