BUG: duplicate indexing with embedded non-orderables (#17610)
BUG: duplicate indexing with embedded non-orderables

BUG: duplicate indexing with embedded non-orderables

BUG: duplicate indexing with embedded non-orderables (#17610)

ss

- [x] closes #xxxx
- [x] tests added / passed
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry
