[docs,cleanup] Improve docs and minor cleanup

[yt-dlp.git] / yt_dlp / __init__.py

diff --git a/yt_dlp/__init__.py b/yt_dlp/__init__.py
index 5c3d33df067d86708e630ccf1b48ffb361535d7f..84628bf455d98652beead7f97404cb376df8fa57 100644 (file)
--- a/yt_dlp/__init__.py
+++ b/yt_dlp/__init__.py
@@ -225,6 +225,7 @@ def parse_retries(retries, name=''):
     if opts.playlistend not in (-1, None) and opts.playlistend < opts.playliststart:
         raise ValueError('Playlist end must be greater than playlist start')
     if opts.extractaudio:
+        opts.audioformat = opts.audioformat.lower()
         if opts.audioformat not in ['best'] + list(FFmpegExtractAudioPP.SUPPORTED_EXTS):
             parser.error('invalid audio format specified')
     if opts.audioquality: