Extend import utils to cover "editable" torch versions (#29000)
* Extend import utils to cover "editable" torch versions
* Re-add type hint
* Remove whitespaces
* Double quote strings
* Update comment
Co-authored-by: Yih-Dar <2521628+ydshieh@users.noreply.github.com>
* Restore package_exists
* Revert "Restore package_exists"
This reverts commit 66fd2cd5c33d1b9a26a8f3e8adef2e6ec1214868.
---------
Co-authored-by: Yih-Dar <2521628+ydshieh@users.noreply.github.com>