From be3c98bc162bdeea8aaae2a889058203f28b40e8 Mon Sep 17 00:00:00 2001
From: Krrish Dholakia <krrishdholakia@gmail.com>
Date: Mon, 1 Jul 2024 08:14:10 -0700
Subject: [PATCH] fix(main.py): copy messages - prevent modifying user input

Fixes https://github.com/BerriAI/litellm/discussions/4489
---
 litellm/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/litellm/main.py b/litellm/main.py
index 10bcbe9e3..48d430d52 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -676,6 +676,8 @@ def completion(
     client = kwargs.get("client", None)
     ### Admin Controls ###
     no_log = kwargs.get("no-log", False)
+    ### COPY MESSAGES ### - related issue https://github.com/BerriAI/litellm/discussions/4489
+    messages = deepcopy(messages)
     ######## end of unpacking kwargs ###########
     openai_params = [
         "functions",