From 2d2359f9a217e1fecc95ac2956e0d9918f47a7b6 Mon Sep 17 00:00:00 2001
From: rlaphoenix <rlaphoenix@pm.me>
Date: Fri, 18 Nov 2022 08:49:33 +0000
Subject: [PATCH] PSSH: Fix key_IDs field when creating a new PSSH box

---
 pywidevine/pssh.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pywidevine/pssh.py b/pywidevine/pssh.py
index 147e1d3..9dc3a55 100644
--- a/pywidevine/pssh.py
+++ b/pywidevine/pssh.py
@@ -169,7 +169,7 @@ class PSSH:
             version=version,
             flags=flags,
             system_ID=PSSH.SystemId.Widevine,
-            key_ids=[key_ids, b""][key_ids is None],
+            key_IDs=[UUID(bytes=kid) for kid in key_ids] if key_ids else None,
             init_data=[init_data, b""][init_data is None]
         )))