http://gitunderground.i2p/archive/youtube-dl/commit/55a442adaea1eb3dae332fe00179f6dbd437b398
_proto_relative_url ) ) , ' filesize ' : ( ' size ' , T ( int_or_none ) ) , } , T ( lambda f : mung_format ( f , size , { ' format_id ' : ' gif ' , ' preference ' : - 10 , # gifs are worse than videos ' ext ' : ' gif ' , ' acodec ' : ' none ' , ' vcodec ' : ' gif ' , ' container ' : ' gif ' , } ) ) , MUST_BRANCH ) ) ) else : formats = [ ] # maybe add formats from JSON or page Twitter metadata if not any ( ( u == media_url ) for u in traverse_obj ( formats , ( Ellipsis , ' url ' ) ) ) :...