class Person(models.Model):
email = models.CharField(max_length=255, unique = True)
name = models.CharField(max_length=255, null = True, blank = True)
- user = models.ForeignKey(User, null = True, blank = True)
+ user = models.ForeignKey(User, null = True, blank = True,
+ on_delete = models.SET_NULL)
def __unicode__(self):
if self.name: