Delete an unused local var (I forgot deleting in #1587)

seratch · seratch · commit 45b9452eb97e · 2025-09-09T08:32:09.000+09:00
diff --git a/src/agents/memory/openai_conversations_session.py b/src/agents/memory/openai_conversations_session.py
@@ -19,9 +19,6 @@ async def start_openai_conversations_session(openai_client: AsyncOpenAI | None =
     return response.id
 
 
-_EMPTY_SESSION_ID = ""
-
-
 class OpenAIConversationsSession(SessionABC):
     def __init__(
         self,
