title: ipython on MacOS 10.10 - command not found
body: <p>I'm trying to get ipython working in Mac OS 10.10. </p>
  
  <p><em>problem:</em> </p>
  
  <pre><code>$ ipython
  </code></pre>
  
  <p>returns</p>
  
  <pre><code>-bash: ipython: command not found
  </code></pre>
  
  <p><em>context:</em></p>
  
  <p>I'm running python2.7 on MacOS 10.10.  I installed python via brew. Some info:</p>
  
  <p><code>which python</code> =</p>
  
  <pre><code>/usr/local/bin/python
  </code></pre>
  
  <p><code>brew info python</code> =</p>
  
  <pre><code>python: stable 2.7.10 (bottled), HEAD
  Interpreted, interactive, object-oriented programming language
  https://www.python.org
  /usr/local/Cellar/python/2.7.10_2 (4977 files, 77M) *
  </code></pre>
  
  <p>To install ipython I ran </p>
  
  <pre><code>pip install ipython[all]
  </code></pre>
  
  <p>so... <code>pip show ipython =</code> </p>
  
  <pre><code>---
  Metadata-Version: 2.0
  Name: ipython
  Version: 4.0.0
  Summary: IPython: Productive Interactive Computing
  Home-page: http://ipython.org
  Author: The IPython Development Team
  Author-email: ipython-dev@scipy.org
  License: BSD
  Location: /usr/local/lib/python2.7/site-packages
  Requires: traitlets, pickleshare, simplegeneric, decorator, gnureadline, appnope, pexpect
  </code></pre>
  
  <p>finally, <code>echo $PATH =</code> </p>
  
  <pre><code>/Users/[username]/depot_tools:/usr/local:/usr/local/lib:/Users/[username]/depot_tools:/usr/local:/usr/local/lib:/usr/local/lib/python2.7/site-packages:/Users/[username]/depot_tools:/usr/local:/usr/local/lib:/usr/local/git/current/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/X11/bin
  </code></pre>
  
  <p>Can anyone tell me what I'm doing wrong?</p>