BUG: MultiIndex.get_loc re-raise TypeError as KeyError
- [ ] closes #xxxx
- [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

this is a user facing change? > this is a user facing change?

yes, will add note looks fine can yu rebase rebased + greenish