How to register model chooser without touching the original models.py code ?

[lugishr]

In documentation, you mentioned: "To enable the chooser for your model, you must register the model. For simple cases, decorate your model with @register_model_chooser".
How would you register the model in other cases ?
For example, I have a Django project to which I additionally added Wagtail. So I still have many pure Django apps. And I don't want to touch their source code so registering them with decorator is not an option for me.
Is there another way to register models ? Could I import this models into Wagtail app and make registration there ?

[seb-b]

I haven't tested this but you should be able to call register_model_chooser as a function, so something like this should work

from wagtailmodelchooser import register_model_chooser
from other.package.models import Thing

register_model_chooser(Thing)

as long as you put this somewhere that's called on startup like wagtail_hooks.py or models.py I believe this should work. If it doesn't then we should look into making it work, let me know!