GitHub user thinkerou opened a pull request:
https://github.com/apache/flink/pull/6042
[FLINK-9400] change import statement for flink-scala
**(The sections below can be removed for hotfixes of typos)**
## What is the purpose of the change
When I read `flink-scala` code, I found like the below code:
```scala
import org.apache.flink.api.common.operators.Keys
import Keys.ExpressionKeys
```
So, I want to fix it, use the follow code:
```scala
import org.apache.flink.api.common.operators.Keys.ExpressionKeys
```
## Brief change log
- normalize scala import statement
## Verifying this change
This change is already covered by existing tests, test pass.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes)
- The serializers: (don't know)
- The runtime per-record code paths (performance sensitive): (don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (don't know)
- The S3 file system connector: (don't know)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable / docs /
JavaDocs / not documented)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/thinkerou/flink im
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6042.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 #6042
----
commit 5ded44fb0ecc27007bce837c519b8e140504f879
Author: thinkerou <thinkerou@...>
Date: 2018-05-18T16:02:01Z
[FLINK-9400] change import statement for flink-scala
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