From 1a8cc83735ed748afa78764af1e724afa646d8f9 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Fri, 20 May 2022 20:55:21 +0530
Subject: [PATCH] Bugfix for 3a408f9d199127ca2626359e21a866a09ab236b3

---
 yt_dlp/compat/functools.py  | 2 ++
 yt_dlp/downloader/common.py | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/yt_dlp/compat/functools.py b/yt_dlp/compat/functools.py
index c3c4d8f48..ec003ea90 100644
--- a/yt_dlp/compat/functools.py
+++ b/yt_dlp/compat/functools.py
@@ -20,5 +20,7 @@ def __init__(self, func):
             self.func = func
 
         def __get__(self, instance, _):
+            if instance is None:
+                return self
             setattr(instance, self.func.__name__, self.func(instance))
             return getattr(instance, self.func.__name__)
diff --git a/yt_dlp/downloader/common.py b/yt_dlp/downloader/common.py
index d74692130..93eb10f76 100644
--- a/yt_dlp/downloader/common.py
+++ b/yt_dlp/downloader/common.py
@@ -11,11 +11,11 @@
     MultilinePrinter,
     QuietMultilinePrinter,
 )
-from ..compat import functools
 from ..utils import (
     NUMBER_RE,
     LockingUnsupportedError,
     Namespace,
+    classproperty,
     decodeArgument,
     encodeFilename,
     error_to_compat_str,
@@ -103,9 +103,9 @@ def to_screen(self, *args, **kargs):
 
     __to_screen = to_screen
 
-    @functools.cached_property
-    def FD_NAME(self):
-        return re.sub(r'(?<!^)(?=[A-Z])', '_', type(self).__name__[:-2]).lower()
+    @classproperty
+    def FD_NAME(cls):
+        return re.sub(r'(?<!^)(?=[A-Z])', '_', cls.__name__[:-2]).lower()
 
     @staticmethod
     def format_seconds(seconds):