From 5c14149873368060c0b86c95914753ab7b283097 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Fri, 1 Apr 2022 15:25:03 -0400
Subject: [PATCH] Fix filename spoiler stripping method

lstrip does not work as expected
---
 discord/file.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/discord/file.py b/discord/file.py
index 0366cee58..d1182417f 100644
--- a/discord/file.py
+++ b/discord/file.py
@@ -38,7 +38,9 @@ __all__ = (
 
 
 def _strip_spoiler(filename: str) -> Tuple[str, bool]:
-    stripped = filename.lstrip('SPOILER_')
+    stripped = filename
+    while stripped.startswith('SPOILER_'):
+        stripped = stripped[8:]  # len('SPOILER_')
     spoiler = stripped != filename
     return stripped, spoiler