Raising ValueError when xlim and ylim contain non-int and non-float dtype elements #40889
- [x] closes #40781 
- [x] 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
- [x] whatsnew entry

@github-actions pre-commit This pull request is stale because it has been open for thirty days with no activity. Please update or respond to this comment if you're still interested in working on this. pls merge master and update to comments can you merge master i think there are some comments as well > can you merge master i think there are some comments as well

Sorry for not updating this pr for a while, while I have worked on other issues, I have been strugglig with a proper place to move my tests to. I just cant wrap my head around where the perfect spot would be. I would be very thankful for some tips. Other changes will be merged accordingly. needs to be passing and pls merge master > a proper place to move my tests to

grepping for .plot.line i see several in tests.plotting.frame.test_frame, that would be a good place to start Thanks for the PR but appears to have gone stale. If interested in continuing, please merge the main branch and address the review and we can reopen.