Richard Edgar

@alliesaizan Have you resynced your branch with `main` in the past week or so? I did push a few changes which tried to make CircleCI more reliable recently (specifically #1354)....

Although, looking at the output of CircleCI: ``` File "quickstart.rst", line 146, in quickstart Failed example: mf.by_group Expected: Caucasian 76099 AfricanAmerican 19210 Unknown 2273 Hispanic 2037 Other 1506 Asian 641...

Related to #1299

Sorry, I've been remiss about this.... can you explain what problem this is trying to solve? I'm not being enlightened by the PR description.

I have a feeling this is related to the trouble I'm having with #1351 . That's eventually failing due to a vector being the wrong size for multiplication... and the...

Weirdly, pushing the `pandas` version back isn't 'fixing' the issue either. I'm not sure why that is :-(

So PR #1287 updates the SciKit-Learn lower bound (assuming we merge) but that still leaves pandas. And that has a lot of deprecation warnings

Looks like we also have issues with things being deprecated in `numpy` as well

As mentioned on Discord, there's a problem with pandas. Python 3.8 is only supported up to pandas 2.0. Version 2.1 of pandas deprecates `DataFrame.applymap()` and introduces `DataFrame.map()` as a replacement....

Thoughts @fairlearn/fairlearn-maintainers ? I wouldn't object to bumping to >3.9, but this should probably be more widely considered.