Using following model:
class Test(models.Model):
name = LocalizedField(blank=False, null=False, required=False)
leads to following migration:
migrations.CreateModel(
name="Test",
fields=[
("name", localized_fields.fields.field.LocalizedField(required=["en"])),
],
options={"abstract": False},
),
This migration then will create a constraint that English is required and not just any language as stated in documentation.