Note
Make sure admirarchy is listed in INSTALLED_APPS in settings file of your project (usually 'settings.py').
With a few minor changes...
# admin.py of your application
from django.contrib import admin
from admirarchy.toolbox import HierarchicalModelAdmin
from .models import MyModel # Let's say this model represents a hierarchy.
# Inherit from HierarchicalModelAdmin instead of admin.ModelAdmin
@admin.register(MyModel)
class MyModelAdmin(HierarchicalModelAdmin):
hierarchy = True # This enables hierarchy handling.
# and other code as usual......your admin...
...turns into something similar to this:
