class MyModel(models.Model): field1 = models.CharField(max_length=40, blank=False, null=False) field2 = models.CharField(max_length=60, blank=True, null=True)
class MyModel(models.Model): field1 = models.CharField(max_length=40, blank=False, null=False) field2 = models.CharField(max_length=60, blank=True, null=True)