Before opening your pull request, please make sure that you've:

• [ ] [signed Uber's Contributor License Agreement](https://docs.google.com/a/uber.com/forms/d/1pAwS_-dA1KhPlfxzYLBqK6rsSWwRwH95OCCZrcsY5rk/viewform);
• [ ] added tests to cover your changes;
• [ ] run the test suite locally (make test); and finally,
• [ ] run the linters locally (make lint).

Thanks for your contribution!