Update app.py

app.py

@@ -3,8 +3,7 @@ from PyPDF2 import PdfReader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_google_genai import GoogleGenerativeAIEmbeddings
 import google.generativeai as genai
-from langchain.vectorstores import FAISS
-import from langchain_community.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain.chains.question_answering import load_qa_chain
 from langchain.prompts import PromptTemplate