From 20bc7d2dba49bba2f5a0ff5b0481eb28713ff787 Mon Sep 17 00:00:00 2001
From: CodeName393 <yunho393@gmail.com>
Date: Wed, 25 Feb 2026 19:18:01 +0900
Subject: [PATCH] Fix

---
 unshackle/core/service.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unshackle/core/service.py b/unshackle/core/service.py
index d4a3cf7..d00bd1a 100644
--- a/unshackle/core/service.py
+++ b/unshackle/core/service.py
@@ -296,7 +296,7 @@ class Service(metaclass=ABCMeta):
             Decode the data, return as is to reduce unnecessary computations.
         """
 
-    def get_playready_license(self, *, challenge: bytes, title: Title_T, track: AnyTrack) -> Optional[bytes]:
+    def get_playready_license(self, *, challenge: bytes, title: Title_T, track: AnyTrack) -> Optional[Union[bytes, str]]:
         """
         Get a PlayReady License message by sending a License Request (challenge).