title: How to handle flask-caching filesystem issue: The process cannot access the file because it is being used by another process
body: <p>On windows systems I run into this error using Flask-Caching filesystemcache:</p>
  <blockquote>
  <p>ERROR:flask_caching.backends.filesystemcache:delete key 'progress' -&gt; [WinError 32] The process cannot access the file because it is being used by another process: 'C:\Users\user\MINT\.cache\3c709b10a5d47ba33d85337dd9110917</p>
  </blockquote>
  <p>I wonder, is there a way to fix this other than not using Windows?</p>