title: Message "you must have pygmentize installed to use this package" while Pygments is already installed
body: <p>I'm try to use the <code>minted</code> package in latex to display code in latex document. From Texstudio, I get an error message "you must have pygmentize installed to use this package". However, if I type <code>pip3 install pygments</code> I get <code>Requirement already satisfied: pygments in /usr/local/lib/python3.7/site-packages (2.3.1)</code> which means that <code>pip3</code> has installed it on the machine</p>
  
  <p>What am I doing wrong?</p>
  
  <p>Thank you very much!</p>