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-rw-r--r--youtube_dl/utils.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 64a9618ca..919603c62 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1194,6 +1194,8 @@ def format_bytes(bytes):
def str_to_int(int_str):
+ if int_str is None:
+ return None
int_str = re.sub(r'[,\.]', u'', int_str)
return int(int_str)