[outtmpl] Do not traverse `None`

Closes #1585

1 files changed, 2 insertions, 2 deletions

diff --git a/yt_dlp/utils.py b/yt_dlp/utils.py
index 75b4ed61b..875ab5e72 100644
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@@ -6442,10 +6442,10 @@ def traverse_obj(
 
     def _traverse_obj(obj, path, _current_depth=0):
         nonlocal depth
-        if obj is None:
-            return None
         path = tuple(variadic(path))
         for i, key in enumerate(path):
+            if obj is None:
+                return None
             if isinstance(key, (list, tuple)):
                 obj = [_traverse_obj(obj, sub_key, _current_depth) for sub_key in key]
                 key = ...