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[compat] Fix inheriting from compat_collections_chain_map

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* see ytdl-org/youtube-dl#33079#issuecomment-2704038049
This commit is contained in:
dirkf 2025-03-07 19:17:18 +00:00
parent 8738407d77
commit 974c7d7f34
1 changed files with 3 additions and 2 deletions
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5
youtube_dl/compat.py
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@ -3473,11 +3473,12 @@ except ImportError:
def new_child(self, m=None, **kwargs): def new_child(self, m=None, **kwargs):
m = m or {} m = m or {}
m.update(kwargs) m.update(kwargs)
return compat_collections_chain_map(m, *self.maps) # support inheritance !
return type(self)(m, *self.maps)
@property @property
def parents(self): def parents(self):
return compat_collections_chain_map(*(self.maps[1:])) return type(self)(*(self.maps[1:]))
# compat_re_Pattern, compat_re_Match # compat_re_Pattern, compat_re_Match