TYP: pandas.core.generic from pandas-stubs
Some annotations from pandas-stubs and some from the underlying io functions.
Hello @twoertwein! 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 2022-08-01 12:59:42 UTC Thanks @twoertwein 