Separate --check-all-formats from --check-formats

Previously, `--check-formats` tested only the selected video formats, but ALL thumbnails
2025-10-30 22:25:19 +00:00 · 2021-10-24 14:46:07 +05:30
parent 96565c7e55
commit 9f1a1c36e6
3 changed files with 68 additions and 53 deletions
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@@ -4050,6 +4050,8 @@ class LazyList(collections.abc.Sequence):

    def __exhaust(self):
        self.__cache.extend(self.__iterable)
+        # Discard the emptied iterable to make it pickle-able
+        self.__iterable = []
        return self.__cache

    def exhaust(self):