Update app.py

app.py

@@ -6,7 +6,7 @@ from pdf2image import convert_from_path
 import pytesseract
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_huggingface import HuggingFaceEmbeddings
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS
 from langchain.memory import ConversationBufferMemory
 from langchain.prompts import PromptTemplate
 from langchain.chains import RetrievalQA