def timesince(self, now=None):
        from django.utils.timesince import timesince as timesince_
        return timesince_(self.timestamp, now)
Determines if *app* can handle *url*, if this function returns False it
dataset/ETHPy150Open django-notifications/django-notifications/notifications/models.py/Notification.timesince--crossover with--dataset/ETHPy150Open ucrcsedept/galah/galah/web/util.py/is_url_on_site