title: Error with pip install git (after switching to python 3.6)
body: <p>I just changed my project's interpreter to python 3.6 and have to install git library again. </p>
  
  <p>When i run the command "pip install --proxy=some_proxy git" i get the following error message:</p>
  
  <p>"Could not find a version that satisfies the requirement git (from versions: )
  No matching distribution found for git".</p>
  
  <p>Why does it happen ?</p>