video_format.add_option(
'-f', '--format',
action='store', dest='format', metavar='FORMAT', default=None,
- help='video format code, specify the order of preference using'
+ help=(
+ 'video format code, specify the order of preference using'
' slashes: -f 22/17/18 . -f mp4 , -f m4a and -f flv are also'
' supported. You can also use the special names "best",'
' "bestvideo", "bestaudio", "worst", "worstvideo" and'
' -f 136/137/mp4/bestvideo,140/m4a/bestaudio.'
' You can merge the video and audio of two formats into a single'
' file using -f <video-format>+<audio-format> (requires ffmpeg or'
- ' avconv), for example -f bestvideo+bestaudio.')
+ ' avconv), for example -f bestvideo+bestaudio.'))
video_format.add_option(
'--all-formats',
action='store_const', dest='format', const='all',