请问一下这个setup.py有啥用，我采用pip install -U cherry安装不了

kumfo

## Checklist - [ ] I have verified that that issue exists against the `master` branch of cherry. - [ ] I have searched for similar issues in both open and closed tickets and cannot find a duplicate. - [ ] I have reduced the issue to the simplest possible case. ## Steps to reproduce ## Expected behavior ## Actual behavior

Windsooon

请根据 Checklist 提交 issue。