title: Pycharm: "No Python interpreter configured for the project" everytime
body: <p>Every time I open PyCharm I get this message:</p>
  <blockquote>
  <p>No Python interpreter configured for the project.</p>
  </blockquote>
  <p>So I set the interpreter, everything works fine, then I close PyCharm and reopen it, and the message pops up again.</p>
  <p>Reinstalling Python and Pycharm didn't fix the problem.</p>