Bug fix - cannot construct Index of empty tuples
- [x] closes #45608 
- [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).
- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

this is failing a lot of tests. Yes. I need to fix codes to include all test cases. > pandas/core/indexes/multi.py:493: error: List item 0 has incompatible type "List[Any]"; expected "ndarray[Any, Any]"  [list-item] > > pandas/core/indexes/multi.py:493: error: List item 0 has incompatible type "List[Any]"; expected "ndarray[Any, Any]"  [list-item]

Have resolved Hello @weikhor! Thanks for updating this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:





There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers: 

##### Comment last updated at 2022-03-28 12:47:36 UTC Thank for review.  thanks @weikhor 