From dd15785db7df35f3c53144279697fb48cf540566 Mon Sep 17 00:00:00 2001
From: Ryan Crabbe <rcrabbe@berkeley.edu>
Date: Sat, 28 Feb 2026 11:02:03 -0800
Subject: [PATCH] Preserve RedactedDict type through copy()

---
 litellm/types/proxy/litellm_pre_call_utils.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/litellm/types/proxy/litellm_pre_call_utils.py b/litellm/types/proxy/litellm_pre_call_utils.py
index 95f0107bf65..e0d3f3dac66 100644
--- a/litellm/types/proxy/litellm_pre_call_utils.py
+++ b/litellm/types/proxy/litellm_pre_call_utils.py
@@ -10,6 +10,9 @@ class RedactedDict(dict):
     def __str__(self) -> str:
         return "RedactedDict(REDACTED)"
 
+    def copy(self) -> "RedactedDict":
+        return RedactedDict(super().copy())
+
 
 class SecretFields(TypedDict):
     """