Update index.py

index.py

@@ -1,7 +1,7 @@
 import os
 
 from langchain.vectorstores.chroma import Chroma
-from langchain.embeddings.openai import OpenAIEmbeddings
+from langchain.embeddings import OpenAIEmbeddings, HuggingFaceInstructEmbeddings
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.document_loaders import DirectoryLoader, TextLoader
 from langchain.llms import HuggingFaceHub