_new_publishable = models.NullBooleanField(editable=False)
_published = models.NullBooleanField(editable=False)
_on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)
_new_publishable = models.NullBooleanField(editable=False)
_published = models.NullBooleanField(editable=False)
_on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)