Pip install of scikit-learn: No matching distribiution found. : <p>I am trying to install scikit-learn through pip on Mac OSX. I have updated all of numpy, scipy and pip itself but when I type:</p>

<blockquote>
  <p>"pip install scikit-learn -U" </p>
</blockquote>

<p>I receive an error saying:</p>

<blockquote>
  <p>"Could not find a version that satisfies the requirement scikit-learn (from versions: )
  No matching distribution found for scikit-learn"</p>
</blockquote>
