GitHub user zjffdu opened a pull request:
https://github.com/apache/zeppelin/pull/3190
ZEPPELIN-3796. Polluted output for spark interpreter
### What is this PR for?
This PR is to clear polluted spark interpreter output.
### What type of PR is it?
[Bug Fix]
### Todos
* [ ] - Task
### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-3796
### How should this be tested?
* CI pass
### Screenshots (if appropriate)
Before

After

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zjffdu/zeppelin ZEPPELIN-3796
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/3190.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3190
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commit cebca39e3b7554a289b0c79eb93379ddac107536
Author: Jeff Zhang <zjffdu@...>
Date: 2018-09-27T04:22:06Z
ZEPPELIN-3796. Polluted output for spark interpreter
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