Update app.py

app.py

@@ -5,7 +5,6 @@ import os
 from dotenv import load_dotenv  
 from PyPDF2 import PdfReader  
 from langchain.text_splitter import RecursiveCharacterTextSplitter  
-from langchain_google_genai import genai
 from langchain_google_genai import GoogleGenerativeAIEmbeddings  
 from langchain_community.vectorstores import FAISS  
 from langchain_google_genai import ChatGoogleGenerativeAI