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-rw-r--r--youtube_dl/utils.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 2554a2abd..c42dd4c3a 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1815,6 +1815,10 @@ def float_or_none(v, scale=1, invscale=1, default=None):
return default
+def bool_or_none(v, default=None):
+ return v if isinstance(v, bool) else default
+
+
def strip_or_none(v):
return None if v is None else v.strip()