insert or update on table "csv_import_importtemplate" violates foreign key constraint
django.db.utils.IntegrityError: insert or update on table "csv_import_importtemplate" violates foreign key constraint "csv_import_importtemplate_site_id_a631dfb1_fk_django_site_id" DETAIL: Key (site_id)=(1) is not present in table "django_site".