From 3b7236d6181f4f200a48262541fcbfa7800db7d0 Mon Sep 17 00:00:00 2001
From: Cesar Garcia <128240629+Chesars@users.noreply.github.com>
Date: Thu, 19 Feb 2026 16:24:19 -0300
Subject: [PATCH] Update litellm/llms/chatgpt/chat/streaming_utils.py

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>
---
 litellm/llms/chatgpt/chat/streaming_utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/litellm/llms/chatgpt/chat/streaming_utils.py b/litellm/llms/chatgpt/chat/streaming_utils.py
index 953309266e6..730becb06e6 100644
--- a/litellm/llms/chatgpt/chat/streaming_utils.py
+++ b/litellm/llms/chatgpt/chat/streaming_utils.py
@@ -22,9 +22,9 @@ class ChatGPTToolCallNormalizer:
 
     def __init__(self, stream: Any):
         self._stream = stream
-        self._seen_ids: dict[str, int] = {}  # tool_call_id -> assigned_index
+        self._seen_ids: Dict[str, int] = {}  # tool_call_id -> assigned_index
         self._next_index: int = 0
-        self._last_id: str | None = None  # tracks which tool call the next delta belongs to
+        self._last_id: Optional[str] = None  # tracks which tool call the next delta belongs to
 
     def __getattr__(self, name: str) -> Any:
         return getattr(self._stream, name)