Make dynamo wrapped modules work with save_pretrained (#2726)
* Workaround for saving dynamo-wrapped models.
* Accept suggestion from code review
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
* Apply workaround when overriding pipeline components.
* Ensure the correct config.json is saved to disk.
Instead of the dynamo class.
* Save correct module (not compiled one)
* Add test
* style
* fix docstrings
* Go back to using string comparisons.
PyTorch CPU does not have _dynamo.
* Simple test for save_pretrained of compiled models.
* Helper function to test whether module is compiled.
---------
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>
