Fix id sanitization in filenames

Closes #415
2021-06-17 02:15:57 +05:30 · 2021-06-17 02:15:57 +05:30 · 9fea350f0d
commit 9fea350f0d
parent e858a9d6d3
3 changed files with 17 additions and 6 deletions
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@ -6241,6 +6241,8 @@ def traverse_obj(obj, keys, *, casesense=True, is_user_input=False, traverse_str
            if is_user_input:
                key = (int_or_none(key) if ':' not in key
                       else slice(*map(int_or_none, key.split(':'))))
+                if key is None:
+                    return None
            if not isinstance(obj, (list, tuple)):
                if traverse_string:
                    obj = compat_str(obj)