title: 'Pipenv interpreter has already been added, select "Pipenv (<project>)"...'
body: <p>I had a Python project using Pipenv in PyCharm, which I have removed, and now when I try to create a new project at the same location, I get the following error:</p>
  
  <blockquote>
    <p>Pipenv interpreter has already been added, select "Pipenv ()" in your in...</p>
  </blockquote>
  
  <p>Unfortunately the error is truncated right in the middle so I cannot read the rest.</p>
  
  <p>I presume pipenv pollutes the environment so there must be some rogue files/directories left around.</p>