From 6b52ee3e7c2a6d78c9552d3bb3b1e67fbbb1486f Mon Sep 17 00:00:00 2001
From: better629 <webdesign_xmu2012@163.com>
Date: Mon, 15 Jan 2024 20:10:39 +0800
Subject: [PATCH] fix UserWarning: Pydantic serializer warning Expected str but
 got dict

---
 metagpt/schema.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metagpt/schema.py b/metagpt/schema.py
index 853a9c6bb..c0f867831 100644
--- a/metagpt/schema.py
+++ b/metagpt/schema.py
@@ -212,7 +212,7 @@ class Message(BaseModel):
         return any_to_str_set(send_to if send_to else {MESSAGE_ROUTE_TO_ALL})
 
     @field_serializer("instruct_content", mode="plain")
-    def ser_instruct_content(self, ic: BaseModel) -> Union[str, None]:
+    def ser_instruct_content(self, ic: BaseModel) -> Union[dict, None]:
         ic_dict = None
         if ic:
             # compatible with custom-defined ActionOutput