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!
