From 16407087966bdeea904bd970b2fb9c2f2fe8f352 Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@apple.com>
Date: Tue, 7 Mar 2023 18:57:39 -0500
Subject: [PATCH] Fix matter_yamltests with Python 11. (#25539)

Due to https://docs.python.org/3.11/whatsnew/3.11.html#dataclasses, the previous
code fails: it's using mutable class instances as default values of dataclass
fields.
---
 .../py_matter_yamltests/matter_yamltests/parser_builder.py   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/py_matter_yamltests/matter_yamltests/parser_builder.py b/scripts/py_matter_yamltests/matter_yamltests/parser_builder.py
index ae4458ae6990af..72ebae6a1fff8f 100644
--- a/scripts/py_matter_yamltests/matter_yamltests/parser_builder.py
+++ b/scripts/py_matter_yamltests/matter_yamltests/parser_builder.py
@@ -51,9 +51,10 @@ class TestParserBuilderConfig:
            current parsing state.
     """
     tests: list[str] = field(default_factory=list)
-    parser_config: TestParserConfig = TestParserConfig()
+    parser_config: TestParserConfig = field(default_factory=TestParserConfig)
     hooks: TestParserHooks = TestParserHooks()
-    options: TestParserBuilderOptions = TestParserBuilderOptions()
+    options: TestParserBuilderOptions = field(
+        default_factory=TestParserBuilderOptions)
 
 
 class TestParserBuilder: