title: pip install Flask does not work in my environment
body: <p>I am running: <code>pip install Flask==1.0.2</code> </p>
  
  <p>This is happening in <strong>Windows 10</strong> with <strong>python 3.7</strong> installed. I also have <strong>Pycharm</strong> installed. </p>
  
  <p><a href="https://i.stack.imgur.com/wExNt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wExNt.png" alt="enter image description here"></a></p>
  
  <blockquote>
    <p>Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory: 'c:\users\josevina.corpdom\appdata\roaming\python\python37\site-packages\six-1.11.0.dist-info\METADATA'</p>
  </blockquote>
  
  <p>Environment variables have been set for <strong>JAVA_HOME</strong> to <code>C:\Program Files\Java\jdk1.8.0_131\bin</code></p>