From ec9bb4f3e141e3194137b805a6acfb8f9f037cf7 Mon Sep 17 00:00:00 2001
From: Dimitri Papadopoulos
 <3234522+DimitriPapadopoulos@users.noreply.github.com>
Date: Mon, 9 Oct 2023 18:39:38 +0200
Subject: [PATCH] Remove redundant .keys() call

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

diff --git a/src/highdicom/frame.py b/src/highdicom/frame.py
index 0f55cda2..0c290da2 100644
--- a/src/highdicom/frame.py
+++ b/src/highdicom/frame.py
@@ -306,7 +306,7 @@ def encode_frame(
                     'encoding of image frames with Lossless JPEG-LS codec.'
                 )
 
-        if transfer_syntax_uid in compression_lut.keys():
+        if transfer_syntax_uid in compression_lut:
             image_format, kwargs = compression_lut[transfer_syntax_uid]
             if samples_per_pixel == 3:
                 image = Image.fromarray(array, mode='RGB')