django-parler integrates smoothly with the Django administration site. It includes a TranslatableAdmin class that overrides the ModelAdmin class provided by Django to manage model translations.
Edit the admin.py file of the shop application and add the following import to it:
from parler.admin import TranslatableAdmin
Modify the CategoryAdmin and ProductAdmin classes to inherit from TranslatableAdmin instead of ModelAdmin. django-parler doesn't support the prepopulated_fields attribute, but it does support the get_prepopulated_fields() method that provides the same functionality. Let's change this accordingly. Edit the admin.py file to make it look as follows:
from django.contrib import ...
