Update chain.py

chain.py

@@ -4,8 +4,15 @@ import logging
 
 import wandb
 from langchain.chains import ConversationalRetrievalChain
-from langchain.chat_models import ChatOpenAI
-from langchain.embeddings import OpenAIEmbeddings
+##from langchain.chat_models import ChatOpenAI
+
+from langchain_community.chat_models import ChatOpenAI
+
+##from langchain.embeddings import OpenAIEmbeddings
+
+from langchain_community.embeddings import OpenAIEmbeddings
+
+
 ## deprectated from langchain.vectorstores import Chroma
 from langchain_community.vectorstores import Chroma
 from prompts import load_chat_prompt