gistfile1.txt

class User(models.Model):
    user = models.OneToOneField(Usuario, related_name='profile')
    has_add_center = models.BooleanField(default=False)
    reason_to_validate = models.TextField(blank=True)

    def __str__(self):
        return self.user.get_full_name()

    class Meta:
        permissions = (
            ('add_center', 'Puede Crear Destinos Turísticos'),
        )