STYLE: Inconsistent namespace - scalar #39992
- [ ] closes #xxxx
- [ ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry

Linking: https://github.com/pandas-dev/pandas/issues/39992 Thanks @thomasyu888 for doing these - let's leave the rest for other new contributors, but there's plenty of other issues to work on Thanks @MarcoGorelli!  Excited to contribute more as I use this package quite often - sorry if I did too many!