title: Problems installing packages on PyCharm
body: <p>I'm having a number of problems installing packages on PyCharm.</p>
  
  <p>Such as: </p>
  
  <ul>
  <li>Scrappy, error message = SyntaxError: invalid syntax</li>
  <li>Lxml, error message = ERROR: b"'xslt-config' is not recognized as an internal or external command,\r\noperable program or batch file.\r\n"</li>
  <li>Libxml2-python, error message = Non-zero exit code (1)</li>
  </ul>
  
  <p>Is there a reason I keep getting error messages and what can I do about it?</p>