Update app.py

app.py

@@ -6,7 +6,6 @@ import os
 from langchain.prompts import PromptTemplate 
 from langchain_together import Together
 from langchain.chat_models import ChatOpenAI
-from htmlTemplates import css, bot_template, user_template
 from langchain.embeddings import openai
 from langchain.memory import ConversationBufferWindowMemory
 from langchain.chains import ConversationalRetrievalChain