title: Using Python execute my project codes, Report "No module named MySQLdb" error
body: <p>My Running Environment:
  Python 2.7.14
  Pycharm 2017.2
  MySQL 5.7.20</p>
  <p>Compiler result:
  <a href="https://i.stack.imgur.com/hl7Oq.png" rel="nofollow noreferrer">the Compiler error as the picture</a></p>