<filename>letsadd/twilidator/apps.py
from django.apps import AppConfig


class TwilidatorConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'twilidator'

<filename>letsadd/twilidator/apps.py
from django.apps import AppConfig


class TwilidatorConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'twilidator'
