from django.apps import AppConfig from django.core import serializers from django.utils.translation import gettext_lazy as _ class GISConfig(AppConfig): name = 'django.contrib.gis' verbose_name = _("GIS") def ready(self): if 'geojson' not in serializers.BUILTIN_SERIALIZERS: serializers.BUILTIN_SERIALIZERS['geojson'] = "django.contrib.gis.serializers.geojson"