DOC: Fix SA04 errors in docstrings xref #28792
- [x] xref #28792 
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`

Hello @AdrianMastronardi! Thanks for updating this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:







There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers: 

##### Comment last updated at 2020-03-03 03:15:34 UTC Thanks @AdrianMastronardi 