def compatible_formats(formats):
video, audio = formats
# Check extension
- video_ext, audio_ext = audio.get('ext'), video.get('ext')
+ video_ext, audio_ext = video.get('ext'), audio.get('ext')
if video_ext and audio_ext:
COMPATIBLE_EXTS = (
('mp3', 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'ismv', 'isma'),