Thank you for submitting a pull request to improve this library!
Please complete the following items
(you may create the pull request first and then work through them by pushing
additional commits to your branch):

- [ ] Add a concise title to this pull request on the GitHub web interface.
- [ ] Add a description in this box to describe what this pull request is about.
- [ ] If code behavior is being updated (e.g., a bug fix), relevant tests should be added.
- [ ] The CircleCI builds should pass, including both the code styling checks by
      `black` and `flake8` as well as the test suite.
- [ ] Add an entry to `CHANGELOG.md` at the repository's root level.
