From 8eba937d996e56428a648c088783ffe111b576df Mon Sep 17 00:00:00 2001
From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Date: Fri, 9 May 2025 20:53:55 +1000
Subject: [PATCH] Replace slice and comparison with startswith

---
 src/PIL/AniImagePlugin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PIL/AniImagePlugin.py b/src/PIL/AniImagePlugin.py
index 7e70decc4..9f1c518c4 100644
--- a/src/PIL/AniImagePlugin.py
+++ b/src/PIL/AniImagePlugin.py
@@ -12,7 +12,7 @@ from PIL._binary import o32le as o32
 
 
 def _accept(prefix: bytes) -> bool:
-    return prefix[:4] == b"RIFF"
+    return prefix.startswith(b"RIFF")
 
 
 def _save_frame(im: Image.Image, fp: BytesIO, info: dict[str, Any]) -> None: