## What changes were proposed in this pull request?

(Please fill in changes proposed in this fix)

## How was this patch tested?

(Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests)

## Quick checklist

The following checklist helps ensure your PR is complete:

- [ ] Reviewed the [Contributing Guidelines](https://github.com/deeplearning4j/deeplearning4j/blob/master/CONTRIBUTING.md) and followed the steps within.
- [ ] Created tests for any significant new code additions.
- [ ] Relevant tests for your changes are passing.
- [ ] Ran mvn formatter:format (see [formatter instructions](http://code.revelc.net/formatter-maven-plugin/examples.html#Setting_Source_Files) for targeting your specific files).