From 6aaef90ac9f8f79c226b2d8f8eea190b22b6a171 Mon Sep 17 00:00:00 2001
From: garfeildma <garfeildma@gmail.com>
Date: Tue, 9 Apr 2024 11:19:26 +0800
Subject: [PATCH] fix(integrations/langsmith.py): fix datetime json serialize
 error

---
 litellm/integrations/langsmith.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/litellm/integrations/langsmith.py b/litellm/integrations/langsmith.py
index 4c76ba80b38..72eb7a27e53 100644
--- a/litellm/integrations/langsmith.py
+++ b/litellm/integrations/langsmith.py
@@ -53,6 +53,8 @@ class LangsmithLogger:
                 value = kwargs[key]
                 if key == "start_time" or key == "end_time":
                     pass
+                elif type(value) == datetime.datetime:
+                    new_kwargs[key] = value.isoformat()
                 elif type(value) != dict:
                     new_kwargs[key] = value