依存関係の更新

install.py

@@ -10,6 +10,9 @@ if not launch.is_installed('langchain'):
 #if not launch.is_installed('langchainhub'):
 #    launch.run_pip('install langchainhub', 'langchainhub')
 
+if not launch.is_installed('langchain_community'):
+    launch.run_pip('install langchain_community', 'langchain_community')
+
 if not launch.is_installed('gpt4all'):
     launch.run_pip('install gpt4all', 'gpt4all')
 

scripts/langchainapi.py

@@ -8,7 +8,8 @@ import re
 import asyncio
 #from gpt_stream_parser import force_parse_json
 from langchain_community.llms import GPT4All, LlamaCpp
-from langchain.memory import ConversationBufferMemory, ChatMessageHistory
+from langchain.memory import ConversationBufferMemory
+from langchain_community.chat_message_histories import ChatMessageHistory
 from langchain.schema import (
     AIMessage,
     HumanMessage,