TYP: indexes
- [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry

gentle ping; code checks are starting to touch nearby code rebased + green (and approved) lgtm can you rebase as merged some future annotations stuff earlier, ping on green > pandas/core/groupby/generic.py:181: error: Cannot override final attribute "_obj_with_exclusions" (previously declared in base class "SelectionMixin")  [misc]
pandas/core/groupby/generic.py:934: error: Cannot override final attribute "_obj_with_exclusions" (previously declared in base class "SelectionMixin")  [misc] That’s on master, orthogonal. Easy fix, PR coming in a few minutes

On Tue, Apr 13, 2021 at 8:36 AM Jeff Reback ***@***.***>
wrote:

> pandas/core/groupby/generic.py:181: error: Cannot override final attribute
> "_obj_with_exclusions" (previously declared in base class "SelectionMixin")
> [misc]
> pandas/core/groupby/generic.py:934: error: Cannot override final attribute
> "_obj_with_exclusions" (previously declared in base class "SelectionMixin")
> [misc]
>
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 rebased + greenish (mypy fixed by #40930, the other is an unrelated ResourceWarning)