That looks like your admin.py, not your models.py.
And again, please use the three backticks (```) on lines before and after posting code, templates, error messages, and other preformatted text.
That looks like your admin.py, not your models.py.
And again, please use the three backticks (```) on lines before and after posting code, templates, error messages, and other preformatted text.