Update app.py

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 from langchain_community.document_loaders import WebBaseLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.vectorstores import Chroma
-from langchain.embeddings import OpenAIEmbeddings
+from langchain_openai import OpenAIEmbeddings
 from langchain_openai import ChatOpenAI
 from langchain import hub
 from langchain.schema.runnable import RunnablePassthrough