title: using Xcode 10 for python, gets a launch error
body: <p>I want to use Xcode to create python applications and I am testing it and every time I want to run the project I get the following error:</p>
  
  <blockquote>
    <p>There is a problem launching using posix_spawn (error code: 8).</p>
  </blockquote>
  
  <p>And Xcode also said build succeeded.</p>
  
  <p>what can I do to resolve this problem?</p>