fix
- [x] closes #xxxx
- [x] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry

f strings @csaoma can you give your PRs informative titles in the future > @csaoma can you give your PRs informative titles in the future

 Closing - you have a PR open with these changes 