From 92e57889d0ce12c81d4cd96f1cfe023fd85cdef6 Mon Sep 17 00:00:00 2001
From: gdesmar <75089569+gdesmar@users.noreply.github.com>
Date: Tue, 13 Feb 2024 16:46:58 +0000
Subject: [PATCH] Validate self.palette in has_transparency_data()

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

diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index a770488b7..f980bb241 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -1561,7 +1561,7 @@ class Image:
         """
         return (
             self.mode in ("LA", "La", "PA", "RGBA", "RGBa")
-            or (self.mode == "P" and self.palette.mode.endswith("A"))
+            or (self.mode == "P" and self.palette and self.palette.mode.endswith("A"))
             or "transparency" in self.info
         )