title: Dateutil & Pytz missing dependencies - Python
body: <p>Im trying to run a code for portfolio optimization and i get the following error right on import of pandas. </p>
  
  <pre><code>Traceback (most recent call last):
    File "/Users/***/Desktop/Markowitz-master/MarkowitzOpt.py", line 2, in &lt;module&gt;
      from pandas import Series, DataFrame
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas/__init__.py", line 18, in &lt;module&gt;
      raise ImportError("Missing required dependencies {0}".format(missing_dependencies))
  ImportError: Missing required dependencies ['pytz', 'dateutil']
  </code></pre>
  
  <p>I used pip freeze to check all installed packages, and both puts and dateutil are installed. </p>
  
  <p>Any insights would be appreciated!!!</p>