更新Langchain依赖到0.0.342以上版本 (#2212)

requirements.txt

@@ -1,10 +1,10 @@
 # API requirements
 
-langchain>=0.0.334 
+langchain>=0.0.342
 langchain-experimental>=0.0.42
 fschat[model_worker]>=0.2.33
 xformers>=0.0.22.post7
-openai~=0.28.1
+openai>=1.3.5
 sentence_transformers
 transformers>=4.35.2
 torch==2.1.0 ##on win,  install the cuda version manually if you want use gpu

requirements_api.txt

@@ -1,10 +1,10 @@
 # API requirements
 
-langchain>=0.0.334
+langchain>=0.0.342
 langchain-experimental>=0.0.42
 fschat[model_worker]>=0.2.33
 xformers>=0.0.22.post7
-openai~=0.28.1
+openai>=1.3.5
 sentence_transformers
 transformers>=4.35.2
 torch==2.1.0

requirements_lite.txt

@@ -1,8 +1,8 @@
-langchain>=0.0.334 
-fschat>=0.2.32
-openai
+langchain>=0.0.342
+fschat>=0.2.33
+openai>=1.3.5
 # sentence_transformers
-# transformers>=4.35.0
+# transformers>=4.35.2
 # torch>=2.0.1
 # torchvision
 # torchaudio

server/chat/completion.py

@@ -6,7 +6,8 @@ from langchain.chains import LLMChain
 from langchain.callbacks import AsyncIteratorCallbackHandler
 from typing import AsyncIterable, Optional
 import asyncio
-from langchain.prompts.chat import PromptTemplate
+from langchain.prompts import PromptTemplate
+
 from server.utils import get_prompt_template