title: pip install from SVN [error 2]
body: <p>Im trying to install my package via pip from a SVN repository.
  Version of subversion server is 1.6.11.</p>
  
  <p>I'm using the command below:</p>
  
  <pre><code>pip install -e svn+http://svn.mysite.com/svn/project/project#egg=project
  
  
  Error [Error 2] Can not find the file while executing command svn checkout -q http://svn.mysite.com/svn/project/project/
  Can not find command 'svn'
  </code></pre>
  
  <p>How can I solve this problem?</p>