GitHub user jinxing64 opened a pull request:
https://github.com/apache/spark/pull/16808
[SPARK-19461] Remove some unused imports.
## What changes were proposed in this pull request?
Remove some unused imports in `CoarseGrainedSchedulerBackend` and
`YarnSchedulerBackend`.
## How was this patch tested?
No need to test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinxing64/spark SPARK-19461
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16808.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 #16808
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commit 0db96a04b594f816edcddd2bd6e7e9a6e9d6c3a7
Author: jinxing <jinx...@meituan.com>
Date: 2017-02-05T09:53:18Z
[SPARK-19461] Remove some unused imports.
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