Fix len article is 0 and not channel__long_slug (kwargs) not return 404
Fix len article is 0 and not channel__long_slug (kwargs) not return 404

williamroot/opps,YACOWS/opps,jeanmask/opps,YACOWS/opps,jeanmask/opps,opps/opps,jeanmask/opps,opps/opps,opps/opps,williamroot/opps,williamroot/opps,jeanmask/opps,YACOWS/opps,opps/opps,williamroot/opps,YACOWS/opps