From c2d699711d0dc8175eb2253d42dc8757b8656c1f Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@eff.org>
Date: Mon, 30 Oct 2023 12:13:58 -0700
Subject: [PATCH] check oldest value

---
 certbot/certbot/configuration.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/certbot/certbot/configuration.py b/certbot/certbot/configuration.py
index 156c5104a..e1c249715 100644
--- a/certbot/certbot/configuration.py
+++ b/certbot/certbot/configuration.py
@@ -165,7 +165,7 @@ class NamespaceConfig:
 
     def __getattr__(self, name: str) -> Any:
         value = getattr(self.namespace, name)
-        if not _is_immutable(value):
+        if name not in self._previous_mutable_values and not _is_immutable(value):
             self._previous_mutable_values[name] = copy.deepcopy(value)
         return value