[videolectures] (New extractor)

[youtube-dl] / youtube_dl / utils.py

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 7809c4e0b8a4a007d606a0f3cd952c9d9ea430c4..3574fc615c6eb54228c9b07c47ff0499b72333b7 100644 (file)
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -763,6 +763,10 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
 
 def unified_strdate(date_str):
     """Return a string with the date in the format YYYYMMDD"""
+
+    if date_str is None:
+        return None
+
     upload_date = None
     #Replace commas
     date_str = date_str.replace(',', ' ')