Update app.py

app.py

@@ -1,11 +1,10 @@
 import os
 import streamlit as st
-from langchain import OpenAI
-from langchain import PromptTemplate
+from langchain.llms import OpenAI
+from langchain.prompts import PromptTemplate
 from langchain.chains import LLMChain, SequentialChain
-from langchain import ConversationBufferMemory
-from langchain import WikipediaAPIWrapper
-
+from langchain.memory import ConversationBufferMemory
+from langchain.utilities import WikipediaAPIWrapper
 
 OPENAI_KEY = os.getenv("OPENAI_API_KEY")
 os.environ['OPENAI_API_KEY'] = OPENAI_KEY