diff options
-rw-r--r-- | youtube_dl/utils.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index deaf71803..98732e8e9 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -1269,7 +1269,7 @@ def float_or_none(v, scale=1, invscale=1, default=None): def parse_duration(s): - if s is None: + if not isinstance(s, basestring if sys.version_info < (3, 0) else compat_str): return None s = s.strip() |