Update app.py

app.py

@@ -3,7 +3,7 @@ from dotenv import load_dotenv
 from PyPDF2 import PdfReader
 #from langchain.text_splitter import CharacterTextSplitter
 #from langchain.embeddings import OpenAIEmbeddings
-from langchain.embeddings import HuggingFaceInstructEmbeddings
+#from langchain.embeddings import HuggingFaceInstructEmbeddings
 from langchain.vectorstores import FAISS
 #from langchain.chat_models import ChatOpenAI
 from langchain.memory import ConversationBufferMemory