- field=models.DateTimeField(default=datetime.datetime(2018, 11, 28, 14, 41, 2, 673054, tzinfo=utc), auto_now=True),
+ field=models.DateTimeField(default=datetime.datetime(2018, 11, 28, 14, 41, 2, 673054, tzinfo=datetime.timezone.utc), auto_now=True),