in_stream = models.BooleanField(_('in stream'), default=True)
categories = models.ManyToManyField(Category, null=True, blank=True, verbose_name=_('categories'))
first_published_at = models.DateTimeField(_('published at'), null=True, blank=True)
in_stream = models.BooleanField(_('in stream'), default=True)
categories = models.ManyToManyField(Category, null=True, blank=True, verbose_name=_('categories'))
first_published_at = models.DateTimeField(_('published at'), null=True, blank=True)