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-rwxr-xr-xyoutube_dl/YoutubeDL.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index bcf781744..2c0d4926c 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1399,7 +1399,7 @@ class YoutubeDL(object):
filters = [self._build_format_filter(f) for f in selector.filters]
def final_selector(ctx):
- ctx_copy = copy.deepcopy(ctx)
+ ctx_copy = dict(ctx)
for _filter in filters:
ctx_copy['formats'] = list(filter(_filter, ctx_copy['formats']))
return selector_function(ctx_copy)