[GitHub] zeppelin pull request #1272: Remove empty user when put permission

Github user zhangmq closed the pull request at: https://github.com/apache/zeppelin/pull/1272 --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is

[GitHub] zeppelin pull request #1272: Remove empty user when put permission

GitHub user zhangmq opened a pull request: https://github.com/apache/zeppelin/pull/1272 Remove empty user when put permission ### What is this PR for? check empty users and delete it. ### What type of PR is it? [Bug Fix] ### Todos ### What is the