From d38580d72be2fed9780c734e1b7121ba15072cfb Mon Sep 17 00:00:00 2001
From: windweller <leo.niecn@gmail.com>
Date: Mon, 9 Dec 2024 21:10:08 -0800
Subject: [PATCH] fix the llm behavior to align with previous behavior (for
 unit tests)

---
 opto/utils/llm.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/opto/utils/llm.py b/opto/utils/llm.py
index fe60078c..f12eca8c 100644
--- a/opto/utils/llm.py
+++ b/opto/utils/llm.py
@@ -53,7 +53,8 @@ def __init__(self, config_list: List = None, filter_dict: Dict = None, reset_fre
                 config_list = autogen.config_list_from_json("OAI_CONFIG_LIST")
             except:
                 config_list = auto_construct_oai_config_list_from_env()
-                os.environ.update({"OAI_CONFIG_LIST": json.dumps(config_list)})
+                if len(config_list) > 0:
+                    os.environ.update({"OAI_CONFIG_LIST": json.dumps(config_list)})
                 config_list = autogen.config_list_from_json("OAI_CONFIG_LIST")
         if filter_dict is not None:
             config_list = autogen.filter_config_list(config_list, filter_dict)