[YoutubeDL] Make sure format id is not empty

2017-08-12 17:14:11 +07:00 · 2017-08-12 17:14:11 +07:00 · e74e3b63e3
parent ac8491fcca
commit e74e3b63e3
1 changed files with 1 additions and 1 deletions
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@ -1500,7 +1500,7 @@ class YoutubeDL(object):
            sanitize_string_field(format, 'format_id')
            sanitize_numeric_fields(format)
            format['url'] = sanitize_url(format['url'])
-            if format.get('format_id') is None:
+            if not format.get('format_id'):
                format['format_id'] = compat_str(i)
            else:
                # Sanitize format_id from characters used in format selector expression