From 46aee85d2a88e279d9a0a286f579f5f3434a3c56 Mon Sep 17 00:00:00 2001
From: Kohya S <ykumeykume@gmail.com>
Date: Sun, 5 Mar 2023 23:27:16 +0900
Subject: [PATCH] re2-fix to support python 3.8/3.9

---
 library/config_util.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/config_util.py b/library/config_util.py
index 47a3ac82..e62bfb89 100644
--- a/library/config_util.py
+++ b/library/config_util.py
@@ -283,7 +283,9 @@ class ConfigSanitizer:
   def __merge_dict(*dict_list: dict) -> dict:
     merged = {}
     for schema in dict_list:
-      merged |= schema
+      # merged |= schema
+      for k, v in schema.items():
+        merged[k] = v
     return merged