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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def model_post_save(sender, instance, created=False, **kwargs):
 """Signal emitted after any model is saved via Django ORM. :param sender: Model class that was saved :param instance: The actual instance that was saved :param created: True if a new row was created """


    if sender._meta.app_label == 'rest_framework_reactive':
        # Ignore own events.
        return

    def notify():
        table = sender._meta.db_table
        if created:
            notify_observers(table, ORM_NOTIFY_KIND_CREATE, instance.pk)
        else:
            notify_observers(table, ORM_NOTIFY_KIND_UPDATE, instance.pk)

    transaction.on_commit(notify)