Update app.py

app.py

@@ -9,8 +9,10 @@ from langchain_community.embeddings import (
     OpenAIEmbeddings,
     CohereEmbeddings,
 )
-from langchain.vectorstores import FAISS, Chroma
-from langchain.text_splitters import (
+from langchain_openai import OpenAIEmbeddings
+
+from langchain_community.vectorstores import FAISS, Chroma
+from langchain_text_splitters import (
     RecursiveCharacterTextSplitter,
     TokenTextSplitter,
 )