Update app.py

app.py

@@ -3,7 +3,7 @@ from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_community.vectorstores import FAISS
 import os
-from langchain.prompts import PromptTemplate
+from langchain.prompts import PromptTemplate 
 from langchain_together import Together
 from langchain.chat_models import ChatOpenAI
 from htmlTemplates import css, bot_template, user_template