else:
def guess_allowed_qualities():
req_format = self._downloader.params.get('format') or 'best'
- req_format_split = req_format.split('-')
+ req_format_split = req_format.split('-', 1)
if len(req_format_split) > 1:
req_ext, req_quality = req_format_split
for allowed_quality in ALLOWED_QUALITIES: