django model auto register

django-admin.py

from django.apps import apps
from django.contrib import admin
from django.contrib.admin.sites import AlreadyRegistered

app_models = apps.get_app_config("app-name-here").get_models()
for model in app_models:
    try:
        admin.site.register(model, admin.ModelAdmin)
    except AlreadyRegistered:  # pragma: no cover
        pass