From aeb61d4eea2ad57f1f01a41e55615b06ea008caa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Lidwin?= <lidwinpawel@gmail.com>
Date: Wed, 15 Apr 2026 14:15:28 +0200
Subject: [PATCH] fix: save-sync chunk read crash (#747)

---
 legendary/models/chunk.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/legendary/models/chunk.py b/legendary/models/chunk.py
index 701e0a3..628d263 100644
--- a/legendary/models/chunk.py
+++ b/legendary/models/chunk.py
@@ -92,12 +92,14 @@ class Chunk:
         return self.stored_as & 0x2
 
     @classmethod
-    def read_buffer(cls, data, secrets):
+    def read_buffer(cls, data, secrets=None):
         _sio = BytesIO(data)
         return cls.read(_sio, secrets)
 
     @classmethod
-    def read(cls, bio, secrets=dict()):
+    def read(cls, bio, secrets=None):
+        if secrets is None:
+            secrets = dict()
         head_start = bio.tell()
 
         if struct.unpack('<I', bio.read(4))[0] != cls.header_magic: