text: Title: ImportError: cannot import name 'XPath'
  Body: XPath去哪啦？？？看起来你好像移除了xpath？？？
  ![2018-04-27 1 19 28](https://user-images.githubusercontent.com/24603835/39321297-376a3a32-49b9-11e8-8316-962dc0f636ef.png)
  