REGR: MultiIndex.isin raising TypeError for generator
- [x] closes #52568 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [x] Added [type annotations](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#type-hints) to new arguments/methods/functions.
- [x] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

`2023-04-10T19:37:05.7559079Z /home/runner/work/pandas/pandas/doc/source/whatsnew/v2.0.1.rst:33: WARNING: Bullet list ends without a blank line; unexpected unindent.` Thanks @phofl 