<filename>ch08/myproject_virtualenv/src/django-myproject/myproject/apps/categories1/apps.py
from django.apps import AppConfig
from django.utils.translation import gettext_lazy as _


class Categories1AppConfig(AppConfig):
    name = "myproject.apps.categories1"
    verbose_name = _("Categories using MPTT")

<filename>ch08/myproject_virtualenv/src/django-myproject/myproject/apps/categories1/apps.py
from django.apps import AppConfig
from django.utils.translation import gettext_lazy as _


class Categories1AppConfig(AppConfig):
    name = "myproject.apps.categories1"
    verbose_name = _("Categories using MPTT")
