github/langchain
1
0
Fork 0
mirror of https://github.com/hwchase17/langchain.git synced 2025-09-02 03:26:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix ChatMessageHistory (#9594)

Browse Source 
The initialization of the array of ChatMessageHistory is buggy.
The list is shared with all instances.
This commit is contained in:
Philippe PRADOS
2023-08-22 16:36:36 +02:00
committed by GitHub
parent fba29f203a
commit d4c49b16e4
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libs/langchain/langchain/memory/chat_message_histories/in_memory.py
View File

@@ -1,6 +1,6 @@
from typing import List
from langchain.pydantic_v1 import BaseModel
from langchain.pydantic_v1 import BaseModel, Field
from langchain.schema import (
BaseChatMessageHistory,
)
@@ -13,7 +13,7 @@ class ChatMessageHistory(BaseChatMessageHistory, BaseModel):
Stores messages in an in memory list.
"""
messages: List[BaseMessage] = []
messages: List[BaseMessage] = Field(default_factory=list)
def add_message(self, message: BaseMessage) -> None:
"""Add a self-created message to the store"""