Update app.py

app.py

@@ -1,7 +1,9 @@
 import os
 import gradio as gr
-from langchain.chat_models import ChatOpenAI
-from langchain import LLMChain, PromptTemplate
+# from langchain.chat_models import ChatOpenAI
+from langchain_community.chat_models import ChatOpenAI
+from langchain import PromptTemplate
+from langchain.chains import LLMChain
 from langchain.memory import ConversationBufferMemory
 
 OPENAI_API_KEY=os.getenv('OPENAI_API_KEY')