django/tests/regressiontests/localflavor/us/models.py

from django.contrib.localflavor.us.models import USStateField, USPostalCodeField
from django.db import models

# When creating models you need to remember to add a app_label as
# 'localflavor', so your model can be found

class USPlace(models.Model):
    state = USStateField(blank=True)
    state_req = USStateField()
    state_default = USStateField(default="CA", blank=True)
    postal_code = USPostalCodeField(blank=True)
    name = models.CharField(max_length=20)

    class Meta:
        app_label = 'localflavor'