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-rwxr-xr-xyoutube_dl/YoutubeDL.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index df7378f83..5f4c93ea3 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1483,12 +1483,14 @@ class YoutubeDL(object):
def is_wellformed(f):
url = f.get('url')
- valid_url = url and isinstance(url, compat_str)
- if not valid_url:
+ if not url:
self.report_warning(
'"url" field is missing or empty - skipping format, '
'there is an error in extractor')
- return valid_url
+ return False
+ if isinstance(url, bytes):
+ sanitize_string_field(f, 'url')
+ return True
# Filter out malformed formats for better extraction robustness
formats = list(filter(is_wellformed, formats))