From 22fb2dbd2931dfad19b12e89df98822b0c7b1822 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 19 May 2021 21:57:40 +1000
Subject: [PATCH] Simplified code

---
 src/PIL/DdsImagePlugin.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PIL/DdsImagePlugin.py b/src/PIL/DdsImagePlugin.py
index 21e6e0bd7..cdb470a93 100644
--- a/src/PIL/DdsImagePlugin.py
+++ b/src/PIL/DdsImagePlugin.py
@@ -159,8 +159,8 @@ class DdsImageFile(ImageFile.ImageFile):
             elif fourcc == b"DX10":
                 data_start += 20
                 # ignoring flags which pertain to volume textures and cubemaps
-                dxt10 = BytesIO(self.fp.read(20))
-                dxgi_format, dimension = struct.unpack("<II", dxt10.read(8))
+                (dxgi_format,) = struct.unpack("<I", self.fp.read(4))
+                self.fp.read(16)
                 if dxgi_format in (DXGI_FORMAT_BC5_TYPELESS, DXGI_FORMAT_BC5_UNORM):
                     self.pixel_format = "BC5"
                     n = 5