Unable to save after changes

[scrimpys]

Getting this message when doing a mass edit. Things were working some time back but have updated Django and a bunch of other stuff.

save_model() takes exactly 5 positional

I have overridden the save model in both the models.py and admin.py and even when I comment them out I still get the error.

[scrimpys]

Further testing shows this only occurs when my I use Cython to compile my project. If I leave the .py files in place it works. When I compile with Cython I get .so files for each .py file. The .py files can then be removed and the project still works. If I remove the .so file admin.py and restore admin.py it works.

[scrimpys]

Please see comments from Cython developers regarding this issue.

[https://github.com/cython/cython/issues/5930]