base model for Django projects with autopopulated date_created and date_modified fields

gistfile1.py

class BaseModel(models.Model):
    """
    Base abstract model that adds created and modified dates.
    Inherit from it when defining models.
    """

    class Meta:
        abstract = True

    date_created = models.DateTimeField("Date Created", auto_now_add=True)
    date_modified = models.DateTimeField("Date Modified", auto_now=True)