1👍
You can simply:
class Timestamp(models.Model):
created_at = models.DateTimeField(auto_add=True)
updated_at = models.DateTimeField(auto_add_now=True)
class Meta:
abstract = True
class Node(Timestamp):
latitude = models.FloatField(default=0.0)
longitude = models.FloatField(default=0.0)
Source:stackexchange.com