from django.apps import AppConfig from django.core import serializers from django.utils.translation import gettext_lazy as _ class GISConfig(AppConfig): default_auto_field = "django.db.models.AutoField" name = "django.contrib.gis" verbose_name = _("GIS") def ready(self): serializers.BUILTIN_SERIALIZERS.setdefault( "geojson", "django.contrib.gis.serializers.geojson" )